Home / 15,042.32-22,561.24-3,949.20

Finding the Fourth Proportional to 15,042.32, 22,561.24 and 3,949.20

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Solution

The fourth proportional to 15,042.32, 22,561.24 and 3,949.20 is: 5,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.32 : 22,561.24 = 3,949.20 : x
  2. Step 2: Convert to fraction form
    15,042.32/22,561.24 = 3,949.20/x
  3. Step 3: Cross multiply
    15,042.32x = 22,561.24 × 3,949.20
  4. Step 4: Simplify right side
    15,042.32x = 89,098,849.01
  5. Step 5: Solve for x
    x = 89,098,849.01/15,042.32
  6. Step 6: Final answer
    x = 5,923.21

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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.