Home / 12,854.18-17,732.40-10,016.48

Finding the Fourth Proportional to 12,854.18, 17,732.40 and 10,016.48

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Solution

The fourth proportional to 12,854.18, 17,732.40 and 10,016.48 is: 13,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.18 : 17,732.40 = 10,016.48 : x
  2. Step 2: Convert to fraction form
    12,854.18/17,732.40 = 10,016.48/x
  3. Step 3: Cross multiply
    12,854.18x = 17,732.40 × 10,016.48
  4. Step 4: Simplify right side
    12,854.18x = 177,616,229.95
  5. Step 5: Solve for x
    x = 177,616,229.95/12,854.18
  6. Step 6: Final answer
    x = 13,817.78

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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.