Question

find the value of x in the proportion 4:5::20: x​

Answer 1

SOLUTION:

$4 \ratio 5 \ratio \ratio20 \ratio x \\ \\ = > 4 \times x = 5 \times 20 \\ \\ = > 4x = 100 \\ \\ = > x = \frac{100}{4} \\ \\ = > x = 25$

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Answer 2

Step-by-step explanation:

4:5::20:x

we know that,

product of mean = product of extremes

so,

4 x = 20 ×5

x = 100/4

x = 25

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