Home / 16,351.12-24,517.72-7,581.20

Finding the Fourth Proportional to 16,351.12, 24,517.72 and 7,581.20

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Solution

The fourth proportional to 16,351.12, 24,517.72 and 7,581.20 is: 11,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.12 : 24,517.72 = 7,581.20 : x
  2. Step 2: Convert to fraction form
    16,351.12/24,517.72 = 7,581.20/x
  3. Step 3: Cross multiply
    16,351.12x = 24,517.72 × 7,581.20
  4. Step 4: Simplify right side
    16,351.12x = 185,873,738.86
  5. Step 5: Solve for x
    x = 185,873,738.86/16,351.12
  6. Step 6: Final answer
    x = 11,367.65

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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.