Home / 22,028.83-30,399.68-11,957.19

Finding the Fourth Proportional to 22,028.83, 30,399.68 and 11,957.19

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Solution

The fourth proportional to 22,028.83, 30,399.68 and 11,957.19 is: 16,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.83 : 30,399.68 = 11,957.19 : x
  2. Step 2: Convert to fraction form
    22,028.83/30,399.68 = 11,957.19/x
  3. Step 3: Cross multiply
    22,028.83x = 30,399.68 × 11,957.19
  4. Step 4: Simplify right side
    22,028.83x = 363,494,734.75
  5. Step 5: Solve for x
    x = 363,494,734.75/22,028.83
  6. Step 6: Final answer
    x = 16,500.86

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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.