Home / 16,294.90-22,491.42-15,186.82

Finding the Fourth Proportional to 16,294.90, 22,491.42 and 15,186.82

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Solution

The fourth proportional to 16,294.90, 22,491.42 and 15,186.82 is: 20,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.90 : 22,491.42 = 15,186.82 : x
  2. Step 2: Convert to fraction form
    16,294.90/22,491.42 = 15,186.82/x
  3. Step 3: Cross multiply
    16,294.90x = 22,491.42 × 15,186.82
  4. Step 4: Simplify right side
    16,294.90x = 341,573,147.08
  5. Step 5: Solve for x
    x = 341,573,147.08/16,294.90
  6. Step 6: Final answer
    x = 20,961.97

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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.