Home / 14,991.28-22,469.82-9,134.92

Finding the Fourth Proportional to 14,991.28, 22,469.82 and 9,134.92

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Solution

The fourth proportional to 14,991.28, 22,469.82 and 9,134.92 is: 13,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.28 : 22,469.82 = 9,134.92 : x
  2. Step 2: Convert to fraction form
    14,991.28/22,469.82 = 9,134.92/x
  3. Step 3: Cross multiply
    14,991.28x = 22,469.82 × 9,134.92
  4. Step 4: Simplify right side
    14,991.28x = 205,260,008.11
  5. Step 5: Solve for x
    x = 205,260,008.11/14,991.28
  6. Step 6: Final answer
    x = 13,691.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.