Home / 26,788.92-40,170.60-11,997.96

Finding the Fourth Proportional to 26,788.92, 40,170.60 and 11,997.96

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Solution

The fourth proportional to 26,788.92, 40,170.60 and 11,997.96 is: 17,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.92 : 40,170.60 = 11,997.96 : x
  2. Step 2: Convert to fraction form
    26,788.92/40,170.60 = 11,997.96/x
  3. Step 3: Cross multiply
    26,788.92x = 40,170.60 × 11,997.96
  4. Step 4: Simplify right side
    26,788.92x = 481,965,251.98
  5. Step 5: Solve for x
    x = 481,965,251.98/26,788.92
  6. Step 6: Final answer
    x = 17,991.22

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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.