Home / 15,545.10-21,460.14-10,535.76

Finding the Fourth Proportional to 15,545.10, 21,460.14 and 10,535.76

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Solution

The fourth proportional to 15,545.10, 21,460.14 and 10,535.76 is: 14,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.10 : 21,460.14 = 10,535.76 : x
  2. Step 2: Convert to fraction form
    15,545.10/21,460.14 = 10,535.76/x
  3. Step 3: Cross multiply
    15,545.10x = 21,460.14 × 10,535.76
  4. Step 4: Simplify right side
    15,545.10x = 226,098,884.61
  5. Step 5: Solve for x
    x = 226,098,884.61/15,545.10
  6. Step 6: Final answer
    x = 14,544.70

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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.