Home / 22,908.87-34,363.13-13,613.31

Finding the Fourth Proportional to 22,908.87, 34,363.13 and 13,613.31

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Solution

The fourth proportional to 22,908.87, 34,363.13 and 13,613.31 is: 20,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.87 : 34,363.13 = 13,613.31 : x
  2. Step 2: Convert to fraction form
    22,908.87/34,363.13 = 13,613.31/x
  3. Step 3: Cross multiply
    22,908.87x = 34,363.13 × 13,613.31
  4. Step 4: Simplify right side
    22,908.87x = 467,795,873.19
  5. Step 5: Solve for x
    x = 467,795,873.19/22,908.87
  6. Step 6: Final answer
    x = 20,419.86

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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.