Home / 17,078.31-25,748.88-16,772.13

Finding the Fourth Proportional to 17,078.31, 25,748.88 and 16,772.13

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Solution

The fourth proportional to 17,078.31, 25,748.88 and 16,772.13 is: 25,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.31 : 25,748.88 = 16,772.13 : x
  2. Step 2: Convert to fraction form
    17,078.31/25,748.88 = 16,772.13/x
  3. Step 3: Cross multiply
    17,078.31x = 25,748.88 × 16,772.13
  4. Step 4: Simplify right side
    17,078.31x = 431,863,562.71
  5. Step 5: Solve for x
    x = 431,863,562.71/17,078.31
  6. Step 6: Final answer
    x = 25,287.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.