Home / 16,488.30-24,729.30-5,391.66

Finding the Fourth Proportional to 16,488.30, 24,729.30 and 5,391.66

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Solution

The fourth proportional to 16,488.30, 24,729.30 and 5,391.66 is: 8,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.30 : 24,729.30 = 5,391.66 : x
  2. Step 2: Convert to fraction form
    16,488.30/24,729.30 = 5,391.66/x
  3. Step 3: Cross multiply
    16,488.30x = 24,729.30 × 5,391.66
  4. Step 4: Simplify right side
    16,488.30x = 133,331,977.64
  5. Step 5: Solve for x
    x = 133,331,977.64/16,488.30
  6. Step 6: Final answer
    x = 8,086.46

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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.