Home / 19,763.04-29,644.56-13,645.92

Finding the Fourth Proportional to 19,763.04, 29,644.56 and 13,645.92

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Solution

The fourth proportional to 19,763.04, 29,644.56 and 13,645.92 is: 20,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.04 : 29,644.56 = 13,645.92 : x
  2. Step 2: Convert to fraction form
    19,763.04/29,644.56 = 13,645.92/x
  3. Step 3: Cross multiply
    19,763.04x = 29,644.56 × 13,645.92
  4. Step 4: Simplify right side
    19,763.04x = 404,527,294.20
  5. Step 5: Solve for x
    x = 404,527,294.20/19,763.04
  6. Step 6: Final answer
    x = 20,468.88

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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.