Home / 26,378.73-39,568.10-7,910.73

Finding the Fourth Proportional to 26,378.73, 39,568.10 and 7,910.73

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Solution

The fourth proportional to 26,378.73, 39,568.10 and 7,910.73 is: 11,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.73 : 39,568.10 = 7,910.73 : x
  2. Step 2: Convert to fraction form
    26,378.73/39,568.10 = 7,910.73/x
  3. Step 3: Cross multiply
    26,378.73x = 39,568.10 × 7,910.73
  4. Step 4: Simplify right side
    26,378.73x = 313,012,516.16
  5. Step 5: Solve for x
    x = 313,012,516.16/26,378.73
  6. Step 6: Final answer
    x = 11,866.10

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Similar ratio
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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.