Home / 21,654.92-29,874.75-14,569.04

Finding the Fourth Proportional to 21,654.92, 29,874.75 and 14,569.04

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Solution

The fourth proportional to 21,654.92, 29,874.75 and 14,569.04 is: 20,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.92 : 29,874.75 = 14,569.04 : x
  2. Step 2: Convert to fraction form
    21,654.92/29,874.75 = 14,569.04/x
  3. Step 3: Cross multiply
    21,654.92x = 29,874.75 × 14,569.04
  4. Step 4: Simplify right side
    21,654.92x = 435,246,427.74
  5. Step 5: Solve for x
    x = 435,246,427.74/21,654.92
  6. Step 6: Final answer
    x = 20,099.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.