Home / 22,320.62-33,480.38-5,680.66

Finding the Fourth Proportional to 22,320.62, 33,480.38 and 5,680.66

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Solution

The fourth proportional to 22,320.62, 33,480.38 and 5,680.66 is: 8,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.62 : 33,480.38 = 5,680.66 : x
  2. Step 2: Convert to fraction form
    22,320.62/33,480.38 = 5,680.66/x
  3. Step 3: Cross multiply
    22,320.62x = 33,480.38 × 5,680.66
  4. Step 4: Simplify right side
    22,320.62x = 190,190,655.45
  5. Step 5: Solve for x
    x = 190,190,655.45/22,320.62
  6. Step 6: Final answer
    x = 8,520.85

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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.