Home / 22,078.88-33,130.68-17,158.40

Finding the Fourth Proportional to 22,078.88, 33,130.68 and 17,158.40

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Solution

The fourth proportional to 22,078.88, 33,130.68 and 17,158.40 is: 25,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.88 : 33,130.68 = 17,158.40 : x
  2. Step 2: Convert to fraction form
    22,078.88/33,130.68 = 17,158.40/x
  3. Step 3: Cross multiply
    22,078.88x = 33,130.68 × 17,158.40
  4. Step 4: Simplify right side
    22,078.88x = 568,469,459.71
  5. Step 5: Solve for x
    x = 568,469,459.71/22,078.88
  6. Step 6: Final answer
    x = 25,747.21

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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.