Home / 16,320.66-24,443.02-15,871.70

Finding the Fourth Proportional to 16,320.66, 24,443.02 and 15,871.70

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Solution

The fourth proportional to 16,320.66, 24,443.02 and 15,871.70 is: 23,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.66 : 24,443.02 = 15,871.70 : x
  2. Step 2: Convert to fraction form
    16,320.66/24,443.02 = 15,871.70/x
  3. Step 3: Cross multiply
    16,320.66x = 24,443.02 × 15,871.70
  4. Step 4: Simplify right side
    16,320.66x = 387,952,134.71
  5. Step 5: Solve for x
    x = 387,952,134.71/16,320.66
  6. Step 6: Final answer
    x = 23,770.62

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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.