Home / 15,949.90-22,013.67-12,167.20

Finding the Fourth Proportional to 15,949.90, 22,013.67 and 12,167.20

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Solution

The fourth proportional to 15,949.90, 22,013.67 and 12,167.20 is: 16,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.90 : 22,013.67 = 12,167.20 : x
  2. Step 2: Convert to fraction form
    15,949.90/22,013.67 = 12,167.20/x
  3. Step 3: Cross multiply
    15,949.90x = 22,013.67 × 12,167.20
  4. Step 4: Simplify right side
    15,949.90x = 267,844,725.62
  5. Step 5: Solve for x
    x = 267,844,725.62/15,949.90
  6. Step 6: Final answer
    x = 16,792.88

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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.