Home / 19,835.18-29,753.48-6,687.66

Finding the Fourth Proportional to 19,835.18, 29,753.48 and 6,687.66

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Solution

The fourth proportional to 19,835.18, 29,753.48 and 6,687.66 is: 10,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.18 : 29,753.48 = 6,687.66 : x
  2. Step 2: Convert to fraction form
    19,835.18/29,753.48 = 6,687.66/x
  3. Step 3: Cross multiply
    19,835.18x = 29,753.48 × 6,687.66
  4. Step 4: Simplify right side
    19,835.18x = 198,981,248.73
  5. Step 5: Solve for x
    x = 198,981,248.73/19,835.18
  6. Step 6: Final answer
    x = 10,031.73

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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.