Home / 22,414.18-30,931.79-12,343.55

Finding the Fourth Proportional to 22,414.18, 30,931.79 and 12,343.55

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Solution

The fourth proportional to 22,414.18, 30,931.79 and 12,343.55 is: 17,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.18 : 30,931.79 = 12,343.55 : x
  2. Step 2: Convert to fraction form
    22,414.18/30,931.79 = 12,343.55/x
  3. Step 3: Cross multiply
    22,414.18x = 30,931.79 × 12,343.55
  4. Step 4: Simplify right side
    22,414.18x = 381,808,204.64
  5. Step 5: Solve for x
    x = 381,808,204.64/22,414.18
  6. Step 6: Final answer
    x = 17,034.23

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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.