Home / 16,213.17-22,376.07-11,175.78

Finding the Fourth Proportional to 16,213.17, 22,376.07 and 11,175.78

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Solution

The fourth proportional to 16,213.17, 22,376.07 and 11,175.78 is: 15,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.17 : 22,376.07 = 11,175.78 : x
  2. Step 2: Convert to fraction form
    16,213.17/22,376.07 = 11,175.78/x
  3. Step 3: Cross multiply
    16,213.17x = 22,376.07 × 11,175.78
  4. Step 4: Simplify right side
    16,213.17x = 250,070,035.58
  5. Step 5: Solve for x
    x = 250,070,035.58/16,213.17
  6. Step 6: Final answer
    x = 15,423.88

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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.