Home / 21,719.76-32,545.62-17,336.04

Finding the Fourth Proportional to 21,719.76, 32,545.62 and 17,336.04

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Solution

The fourth proportional to 21,719.76, 32,545.62 and 17,336.04 is: 25,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.76 : 32,545.62 = 17,336.04 : x
  2. Step 2: Convert to fraction form
    21,719.76/32,545.62 = 17,336.04/x
  3. Step 3: Cross multiply
    21,719.76x = 32,545.62 × 17,336.04
  4. Step 4: Simplify right side
    21,719.76x = 564,212,170.14
  5. Step 5: Solve for x
    x = 564,212,170.14/21,719.76
  6. Step 6: Final answer
    x = 25,976.91

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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.