Home / 16,345.80-24,520.20-6,491.88

Finding the Fourth Proportional to 16,345.80, 24,520.20 and 6,491.88

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Solution

The fourth proportional to 16,345.80, 24,520.20 and 6,491.88 is: 9,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.80 : 24,520.20 = 6,491.88 : x
  2. Step 2: Convert to fraction form
    16,345.80/24,520.20 = 6,491.88/x
  3. Step 3: Cross multiply
    16,345.80x = 24,520.20 × 6,491.88
  4. Step 4: Simplify right side
    16,345.80x = 159,182,195.98
  5. Step 5: Solve for x
    x = 159,182,195.98/16,345.80
  6. Step 6: Final answer
    x = 9,738.42

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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.