Home / 25,791.90-38,775.33-20,593.32

Finding the Fourth Proportional to 25,791.90, 38,775.33 and 20,593.32

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Solution

The fourth proportional to 25,791.90, 38,775.33 and 20,593.32 is: 30,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.90 : 38,775.33 = 20,593.32 : x
  2. Step 2: Convert to fraction form
    25,791.90/38,775.33 = 20,593.32/x
  3. Step 3: Cross multiply
    25,791.90x = 38,775.33 × 20,593.32
  4. Step 4: Simplify right side
    25,791.90x = 798,512,778.80
  5. Step 5: Solve for x
    x = 798,512,778.80/25,791.90
  6. Step 6: Final answer
    x = 30,959.83

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1.5x scale

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.