Home / 20,040.67-27,649.41-11,542.62

Finding the Fourth Proportional to 20,040.67, 27,649.41 and 11,542.62

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Solution

The fourth proportional to 20,040.67, 27,649.41 and 11,542.62 is: 15,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.67 : 27,649.41 = 11,542.62 : x
  2. Step 2: Convert to fraction form
    20,040.67/27,649.41 = 11,542.62/x
  3. Step 3: Cross multiply
    20,040.67x = 27,649.41 × 11,542.62
  4. Step 4: Simplify right side
    20,040.67x = 319,146,557.86
  5. Step 5: Solve for x
    x = 319,146,557.86/20,040.67
  6. Step 6: Final answer
    x = 15,924.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.