Scale Factor of 53 and 21

What is the Scale Factor of 53 and 21? What is the Scale Factor between 53 and 21? More specifically, what is the Scale Factor from a length of 53 to a length of 21? In other words, what (Scale Factor) can you multiply by 53 to get 21 as illustrated below?:

53 × Scale Factor = 21

To solve the equation above, you simply divide both sides by 53 to get the Scale Factor alone on the left side:

(53 × Scale Factor)/53 = 21/53
Scale Factor = 21/53

We could leave the answer like that, but we have also converted the answer to its simplest fraction form and to decimal form:

Fraction answer = 21/53
Decimal answer ≈ 0.396226

You may also be interested to know that we verified that 53 × 21/53 = 21 is true, which means that our answer is correct. Also, note that since 53 is greater than 21, this is a Reduction Scale Factor.

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Scale Factor of 53 and 22
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