Home / 25,650.57-38,534.24-18,556.69

Finding the Fourth Proportional to 25,650.57, 38,534.24 and 18,556.69

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Solution

The fourth proportional to 25,650.57, 38,534.24 and 18,556.69 is: 27,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.57 : 38,534.24 = 18,556.69 : x
  2. Step 2: Convert to fraction form
    25,650.57/38,534.24 = 18,556.69/x
  3. Step 3: Cross multiply
    25,650.57x = 38,534.24 × 18,556.69
  4. Step 4: Simplify right side
    25,650.57x = 715,067,660.61
  5. Step 5: Solve for x
    x = 715,067,660.61/25,650.57
  6. Step 6: Final answer
    x = 27,877.26

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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.