Home / 16,443.19-24,686.64-8,657.47

Finding the Fourth Proportional to 16,443.19, 24,686.64 and 8,657.47

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Solution

The fourth proportional to 16,443.19, 24,686.64 and 8,657.47 is: 12,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,443.19 : 24,686.64 = 8,657.47 : x
  2. Step 2: Convert to fraction form
    16,443.19/24,686.64 = 8,657.47/x
  3. Step 3: Cross multiply
    16,443.19x = 24,686.64 × 8,657.47
  4. Step 4: Simplify right side
    16,443.19x = 213,723,845.20
  5. Step 5: Solve for x
    x = 213,723,845.20/16,443.19
  6. Step 6: Final answer
    x = 12,997.71

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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.