Home / 22,240.54-30,691.44-12,168.87

Finding the Fourth Proportional to 22,240.54, 30,691.44 and 12,168.87

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Solution

The fourth proportional to 22,240.54, 30,691.44 and 12,168.87 is: 16,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.54 : 30,691.44 = 12,168.87 : x
  2. Step 2: Convert to fraction form
    22,240.54/30,691.44 = 12,168.87/x
  3. Step 3: Cross multiply
    22,240.54x = 30,691.44 × 12,168.87
  4. Step 4: Simplify right side
    22,240.54x = 373,480,028.38
  5. Step 5: Solve for x
    x = 373,480,028.38/22,240.54
  6. Step 6: Final answer
    x = 16,792.76

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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.