Home / 22,630.28-31,229.94-13,199.24

Finding the Fourth Proportional to 22,630.28, 31,229.94 and 13,199.24

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Solution

The fourth proportional to 22,630.28, 31,229.94 and 13,199.24 is: 18,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.28 : 31,229.94 = 13,199.24 : x
  2. Step 2: Convert to fraction form
    22,630.28/31,229.94 = 13,199.24/x
  3. Step 3: Cross multiply
    22,630.28x = 31,229.94 × 13,199.24
  4. Step 4: Simplify right side
    22,630.28x = 412,211,473.25
  5. Step 5: Solve for x
    x = 412,211,473.25/22,630.28
  6. Step 6: Final answer
    x = 18,215.04

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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.