Home / 15,193.11-22,781.76-6,869.14

Finding the Fourth Proportional to 15,193.11, 22,781.76 and 6,869.14

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Solution

The fourth proportional to 15,193.11, 22,781.76 and 6,869.14 is: 10,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.11 : 22,781.76 = 6,869.14 : x
  2. Step 2: Convert to fraction form
    15,193.11/22,781.76 = 6,869.14/x
  3. Step 3: Cross multiply
    15,193.11x = 22,781.76 × 6,869.14
  4. Step 4: Simplify right side
    15,193.11x = 156,491,098.89
  5. Step 5: Solve for x
    x = 156,491,098.89/15,193.11
  6. Step 6: Final answer
    x = 10,300.14

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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.