Home / 25,773.12-38,665.92-18,359.04

Finding the Fourth Proportional to 25,773.12, 38,665.92 and 18,359.04

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Solution

The fourth proportional to 25,773.12, 38,665.92 and 18,359.04 is: 27,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.12 : 38,665.92 = 18,359.04 : x
  2. Step 2: Convert to fraction form
    25,773.12/38,665.92 = 18,359.04/x
  3. Step 3: Cross multiply
    25,773.12x = 38,665.92 × 18,359.04
  4. Step 4: Simplify right side
    25,773.12x = 709,869,171.92
  5. Step 5: Solve for x
    x = 709,869,171.92/25,773.12
  6. Step 6: Final answer
    x = 27,543.00

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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.