Home / 17,176.47-23,691.66-12,082.78

Finding the Fourth Proportional to 17,176.47, 23,691.66 and 12,082.78

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Solution

The fourth proportional to 17,176.47, 23,691.66 and 12,082.78 is: 16,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.47 : 23,691.66 = 12,082.78 : x
  2. Step 2: Convert to fraction form
    17,176.47/23,691.66 = 12,082.78/x
  3. Step 3: Cross multiply
    17,176.47x = 23,691.66 × 12,082.78
  4. Step 4: Simplify right side
    17,176.47x = 286,261,115.61
  5. Step 5: Solve for x
    x = 286,261,115.61/17,176.47
  6. Step 6: Final answer
    x = 16,665.89

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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.