Home / 25,899.80-38,766.14-13,402.62

Finding the Fourth Proportional to 25,899.80, 38,766.14 and 13,402.62

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Solution

The fourth proportional to 25,899.80, 38,766.14 and 13,402.62 is: 20,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.80 : 38,766.14 = 13,402.62 : x
  2. Step 2: Convert to fraction form
    25,899.80/38,766.14 = 13,402.62/x
  3. Step 3: Cross multiply
    25,899.80x = 38,766.14 × 13,402.62
  4. Step 4: Simplify right side
    25,899.80x = 519,567,843.29
  5. Step 5: Solve for x
    x = 519,567,843.29/25,899.80
  6. Step 6: Final answer
    x = 20,060.69

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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.