Home / 22,380.28-33,549.45-7,578.85

Finding the Fourth Proportional to 22,380.28, 33,549.45 and 7,578.85

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Solution

The fourth proportional to 22,380.28, 33,549.45 and 7,578.85 is: 11,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.28 : 33,549.45 = 7,578.85 : x
  2. Step 2: Convert to fraction form
    22,380.28/33,549.45 = 7,578.85/x
  3. Step 3: Cross multiply
    22,380.28x = 33,549.45 × 7,578.85
  4. Step 4: Simplify right side
    22,380.28x = 254,266,249.13
  5. Step 5: Solve for x
    x = 254,266,249.13/22,380.28
  6. Step 6: Final answer
    x = 11,361.17

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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.