Home / 26,398.80-39,591.81-9,760.73

Finding the Fourth Proportional to 26,398.80, 39,591.81 and 9,760.73

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Solution

The fourth proportional to 26,398.80, 39,591.81 and 9,760.73 is: 14,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.80 : 39,591.81 = 9,760.73 : x
  2. Step 2: Convert to fraction form
    26,398.80/39,591.81 = 9,760.73/x
  3. Step 3: Cross multiply
    26,398.80x = 39,591.81 × 9,760.73
  4. Step 4: Simplify right side
    26,398.80x = 386,444,769.66
  5. Step 5: Solve for x
    x = 386,444,769.66/26,398.80
  6. Step 6: Final answer
    x = 14,638.72

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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.