Home / 25,400.52-38,101.14-7,869.96

Finding the Fourth Proportional to 25,400.52, 38,101.14 and 7,869.96

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Solution

The fourth proportional to 25,400.52, 38,101.14 and 7,869.96 is: 11,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.52 : 38,101.14 = 7,869.96 : x
  2. Step 2: Convert to fraction form
    25,400.52/38,101.14 = 7,869.96/x
  3. Step 3: Cross multiply
    25,400.52x = 38,101.14 × 7,869.96
  4. Step 4: Simplify right side
    25,400.52x = 299,854,447.75
  5. Step 5: Solve for x
    x = 299,854,447.75/25,400.52
  6. Step 6: Final answer
    x = 11,805.05

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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.