Home / 22,107.78-30,404.16-17,578.26

Finding the Fourth Proportional to 22,107.78, 30,404.16 and 17,578.26

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Solution

The fourth proportional to 22,107.78, 30,404.16 and 17,578.26 is: 24,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.78 : 30,404.16 = 17,578.26 : x
  2. Step 2: Convert to fraction form
    22,107.78/30,404.16 = 17,578.26/x
  3. Step 3: Cross multiply
    22,107.78x = 30,404.16 × 17,578.26
  4. Step 4: Simplify right side
    22,107.78x = 534,452,229.56
  5. Step 5: Solve for x
    x = 534,452,229.56/22,107.78
  6. Step 6: Final answer
    x = 24,174.85

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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.