Home / 26,450.78-39,679.19-9,591.74

Finding the Fourth Proportional to 26,450.78, 39,679.19 and 9,591.74

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Solution

The fourth proportional to 26,450.78, 39,679.19 and 9,591.74 is: 14,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.78 : 39,679.19 = 9,591.74 : x
  2. Step 2: Convert to fraction form
    26,450.78/39,679.19 = 9,591.74/x
  3. Step 3: Cross multiply
    26,450.78x = 39,679.19 × 9,591.74
  4. Step 4: Simplify right side
    26,450.78x = 380,592,227.54
  5. Step 5: Solve for x
    x = 380,592,227.54/26,450.78
  6. Step 6: Final answer
    x = 14,388.69

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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.