Home / 26,562.54-39,791.96-20,691.66

Finding the Fourth Proportional to 26,562.54, 39,791.96 and 20,691.66

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Solution

The fourth proportional to 26,562.54, 39,791.96 and 20,691.66 is: 30,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,562.54 : 39,791.96 = 20,691.66 : x
  2. Step 2: Convert to fraction form
    26,562.54/39,791.96 = 20,691.66/x
  3. Step 3: Cross multiply
    26,562.54x = 39,791.96 × 20,691.66
  4. Step 4: Simplify right side
    26,562.54x = 823,361,707.05
  5. Step 5: Solve for x
    x = 823,361,707.05/26,562.54
  6. Step 6: Final answer
    x = 30,997.10

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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.