Home / 16,728.88-25,092.54-6,865.72

Finding the Fourth Proportional to 16,728.88, 25,092.54 and 6,865.72

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Solution

The fourth proportional to 16,728.88, 25,092.54 and 6,865.72 is: 10,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.88 : 25,092.54 = 6,865.72 : x
  2. Step 2: Convert to fraction form
    16,728.88/25,092.54 = 6,865.72/x
  3. Step 3: Cross multiply
    16,728.88x = 25,092.54 × 6,865.72
  4. Step 4: Simplify right side
    16,728.88x = 172,278,353.73
  5. Step 5: Solve for x
    x = 172,278,353.73/16,728.88
  6. Step 6: Final answer
    x = 10,298.26

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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.