Question

the first three term of a proportion are 12,21and 8 respectively .the fourth term is

Answer 1

the fourth term is 17 merry Christmas .

Answer 2

☺️☺️ HERE IS YOUR ANSWER ☺️☺️

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$\huge\red{14}$


$<b>STEP BY STEP EXPLANATION</b>$

Consider the forth term as x

12:21 : : 8:x

Mean × Mean term= Extreme × Extreme term

21 × 8 = 12 × x

168=12x

12x=168

x = 14

$<b>THEREFORE THE FOURTH TERM IS 14</b>$

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