Home / 16,487.76-22,752.84-9,414.12

Finding the Fourth Proportional to 16,487.76, 22,752.84 and 9,414.12

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Solution

The fourth proportional to 16,487.76, 22,752.84 and 9,414.12 is: 12,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.76 : 22,752.84 = 9,414.12 : x
  2. Step 2: Convert to fraction form
    16,487.76/22,752.84 = 9,414.12/x
  3. Step 3: Cross multiply
    16,487.76x = 22,752.84 × 9,414.12
  4. Step 4: Simplify right side
    16,487.76x = 214,197,966.10
  5. Step 5: Solve for x
    x = 214,197,966.10/16,487.76
  6. Step 6: Final answer
    x = 12,991.33

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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.