Home / 17,132.28-23,642.19-9,578.40

Finding the Fourth Proportional to 17,132.28, 23,642.19 and 9,578.40

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Solution

The fourth proportional to 17,132.28, 23,642.19 and 9,578.40 is: 13,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.28 : 23,642.19 = 9,578.40 : x
  2. Step 2: Convert to fraction form
    17,132.28/23,642.19 = 9,578.40/x
  3. Step 3: Cross multiply
    17,132.28x = 23,642.19 × 9,578.40
  4. Step 4: Simplify right side
    17,132.28x = 226,454,352.70
  5. Step 5: Solve for x
    x = 226,454,352.70/17,132.28
  6. Step 6: Final answer
    x = 13,217.99

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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.