Home / 19,006.38-28,517.85-10,231.02

Finding the Fourth Proportional to 19,006.38, 28,517.85 and 10,231.02

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Solution

The fourth proportional to 19,006.38, 28,517.85 and 10,231.02 is: 15,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.38 : 28,517.85 = 10,231.02 : x
  2. Step 2: Convert to fraction form
    19,006.38/28,517.85 = 10,231.02/x
  3. Step 3: Cross multiply
    19,006.38x = 28,517.85 × 10,231.02
  4. Step 4: Simplify right side
    19,006.38x = 291,766,693.71
  5. Step 5: Solve for x
    x = 291,766,693.71/19,006.38
  6. Step 6: Final answer
    x = 15,350.99

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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.