Home / 22,029.19-30,399.45-11,957.41

Finding the Fourth Proportional to 22,029.19, 30,399.45 and 11,957.41

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Solution

The fourth proportional to 22,029.19, 30,399.45 and 11,957.41 is: 16,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.19 : 30,399.45 = 11,957.41 : x
  2. Step 2: Convert to fraction form
    22,029.19/30,399.45 = 11,957.41/x
  3. Step 3: Cross multiply
    22,029.19x = 30,399.45 × 11,957.41
  4. Step 4: Simplify right side
    22,029.19x = 363,498,687.42
  5. Step 5: Solve for x
    x = 363,498,687.42/22,029.19
  6. Step 6: Final answer
    x = 16,500.78

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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.