Home / 12,251.86-18,377.46-3,932.44

Finding the Fourth Proportional to 12,251.86, 18,377.46 and 3,932.44

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Solution

The fourth proportional to 12,251.86, 18,377.46 and 3,932.44 is: 5,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.86 : 18,377.46 = 3,932.44 : x
  2. Step 2: Convert to fraction form
    12,251.86/18,377.46 = 3,932.44/x
  3. Step 3: Cross multiply
    12,251.86x = 18,377.46 × 3,932.44
  4. Step 4: Simplify right side
    12,251.86x = 72,268,258.80
  5. Step 5: Solve for x
    x = 72,268,258.80/12,251.86
  6. Step 6: Final answer
    x = 5,898.55

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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.