Home / 19,687.46-29,498.38-14,132.48

Finding the Fourth Proportional to 19,687.46, 29,498.38 and 14,132.48

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Solution

The fourth proportional to 19,687.46, 29,498.38 and 14,132.48 is: 21,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.46 : 29,498.38 = 14,132.48 : x
  2. Step 2: Convert to fraction form
    19,687.46/29,498.38 = 14,132.48/x
  3. Step 3: Cross multiply
    19,687.46x = 29,498.38 × 14,132.48
  4. Step 4: Simplify right side
    19,687.46x = 416,885,265.38
  5. Step 5: Solve for x
    x = 416,885,265.38/19,687.46
  6. Step 6: Final answer
    x = 21,175.17

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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.