Home / 22,725.20-34,082.50-8,680.12

Finding the Fourth Proportional to 22,725.20, 34,082.50 and 8,680.12

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Solution

The fourth proportional to 22,725.20, 34,082.50 and 8,680.12 is: 13,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.20 : 34,082.50 = 8,680.12 : x
  2. Step 2: Convert to fraction form
    22,725.20/34,082.50 = 8,680.12/x
  3. Step 3: Cross multiply
    22,725.20x = 34,082.50 × 8,680.12
  4. Step 4: Simplify right side
    22,725.20x = 295,840,189.90
  5. Step 5: Solve for x
    x = 295,840,189.90/22,725.20
  6. Step 6: Final answer
    x = 13,018.16

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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.