Home / 25,869.48-38,791.92-11,825.34

Finding the Fourth Proportional to 25,869.48, 38,791.92 and 11,825.34

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Solution

The fourth proportional to 25,869.48, 38,791.92 and 11,825.34 is: 17,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.48 : 38,791.92 = 11,825.34 : x
  2. Step 2: Convert to fraction form
    25,869.48/38,791.92 = 11,825.34/x
  3. Step 3: Cross multiply
    25,869.48x = 38,791.92 × 11,825.34
  4. Step 4: Simplify right side
    25,869.48x = 458,727,643.25
  5. Step 5: Solve for x
    x = 458,727,643.25/25,869.48
  6. Step 6: Final answer
    x = 17,732.39

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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.