Home / 15,167.57-22,751.35-4,780.13

Finding the Fourth Proportional to 15,167.57, 22,751.35 and 4,780.13

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Solution

The fourth proportional to 15,167.57, 22,751.35 and 4,780.13 is: 7,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.57 : 22,751.35 = 4,780.13 : x
  2. Step 2: Convert to fraction form
    15,167.57/22,751.35 = 4,780.13/x
  3. Step 3: Cross multiply
    15,167.57x = 22,751.35 × 4,780.13
  4. Step 4: Simplify right side
    15,167.57x = 108,754,284.97
  5. Step 5: Solve for x
    x = 108,754,284.97/15,167.57
  6. Step 6: Final answer
    x = 7,170.19

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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.