Home / 22,103.38-33,151.38-7,108.48

Finding the Fourth Proportional to 22,103.38, 33,151.38 and 7,108.48

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Solution

The fourth proportional to 22,103.38, 33,151.38 and 7,108.48 is: 10,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.38 : 33,151.38 = 7,108.48 : x
  2. Step 2: Convert to fraction form
    22,103.38/33,151.38 = 7,108.48/x
  3. Step 3: Cross multiply
    22,103.38x = 33,151.38 × 7,108.48
  4. Step 4: Simplify right side
    22,103.38x = 235,655,921.70
  5. Step 5: Solve for x
    x = 235,655,921.70/22,103.38
  6. Step 6: Final answer
    x = 10,661.53

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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.