Home / 16,974.30-23,422.60-9,418.66

Finding the Fourth Proportional to 16,974.30, 23,422.60 and 9,418.66

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Solution

The fourth proportional to 16,974.30, 23,422.60 and 9,418.66 is: 12,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.30 : 23,422.60 = 9,418.66 : x
  2. Step 2: Convert to fraction form
    16,974.30/23,422.60 = 9,418.66/x
  3. Step 3: Cross multiply
    16,974.30x = 23,422.60 × 9,418.66
  4. Step 4: Simplify right side
    16,974.30x = 220,609,505.72
  5. Step 5: Solve for x
    x = 220,609,505.72/16,974.30
  6. Step 6: Final answer
    x = 12,996.68

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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.