Home / 16,217.82-22,393.26-12,691.08

Finding the Fourth Proportional to 16,217.82, 22,393.26 and 12,691.08

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Solution

The fourth proportional to 16,217.82, 22,393.26 and 12,691.08 is: 17,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.82 : 22,393.26 = 12,691.08 : x
  2. Step 2: Convert to fraction form
    16,217.82/22,393.26 = 12,691.08/x
  3. Step 3: Cross multiply
    16,217.82x = 22,393.26 × 12,691.08
  4. Step 4: Simplify right side
    16,217.82x = 284,194,654.12
  5. Step 5: Solve for x
    x = 284,194,654.12/16,217.82
  6. Step 6: Final answer
    x = 17,523.60

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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.