Home / 13,452.57-20,178.17-4,092.56

Finding the Fourth Proportional to 13,452.57, 20,178.17 and 4,092.56

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Solution

The fourth proportional to 13,452.57, 20,178.17 and 4,092.56 is: 6,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.57 : 20,178.17 = 4,092.56 : x
  2. Step 2: Convert to fraction form
    13,452.57/20,178.17 = 4,092.56/x
  3. Step 3: Cross multiply
    13,452.57x = 20,178.17 × 4,092.56
  4. Step 4: Simplify right side
    13,452.57x = 82,580,250.06
  5. Step 5: Solve for x
    x = 82,580,250.06/13,452.57
  6. Step 6: Final answer
    x = 6,138.62

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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.