Home / 22,120.75-33,151.53-8,067.56

Finding the Fourth Proportional to 22,120.75, 33,151.53 and 8,067.56

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Solution

The fourth proportional to 22,120.75, 33,151.53 and 8,067.56 is: 12,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.75 : 33,151.53 = 8,067.56 : x
  2. Step 2: Convert to fraction form
    22,120.75/33,151.53 = 8,067.56/x
  3. Step 3: Cross multiply
    22,120.75x = 33,151.53 × 8,067.56
  4. Step 4: Simplify right side
    22,120.75x = 267,451,957.37
  5. Step 5: Solve for x
    x = 267,451,957.37/22,120.75
  6. Step 6: Final answer
    x = 12,090.55

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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.