Home / 26,472.54-39,697.14-12,436.55

Finding the Fourth Proportional to 26,472.54, 39,697.14 and 12,436.55

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Solution

The fourth proportional to 26,472.54, 39,697.14 and 12,436.55 is: 18,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.54 : 39,697.14 = 12,436.55 : x
  2. Step 2: Convert to fraction form
    26,472.54/39,697.14 = 12,436.55/x
  3. Step 3: Cross multiply
    26,472.54x = 39,697.14 × 12,436.55
  4. Step 4: Simplify right side
    26,472.54x = 493,695,686.78
  5. Step 5: Solve for x
    x = 493,695,686.78/26,472.54
  6. Step 6: Final answer
    x = 18,649.35

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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.