Home / 12,841.18-19,261.76-3,481.19

Finding the Fourth Proportional to 12,841.18, 19,261.76 and 3,481.19

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Solution

The fourth proportional to 12,841.18, 19,261.76 and 3,481.19 is: 5,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.18 : 19,261.76 = 3,481.19 : x
  2. Step 2: Convert to fraction form
    12,841.18/19,261.76 = 3,481.19/x
  3. Step 3: Cross multiply
    12,841.18x = 19,261.76 × 3,481.19
  4. Step 4: Simplify right side
    12,841.18x = 67,053,903.15
  5. Step 5: Solve for x
    x = 67,053,903.15/12,841.18
  6. Step 6: Final answer
    x = 5,221.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.