Home / 26,747.72-40,113.39-10,115.59

Finding the Fourth Proportional to 26,747.72, 40,113.39 and 10,115.59

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Solution

The fourth proportional to 26,747.72, 40,113.39 and 10,115.59 is: 15,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.72 : 40,113.39 = 10,115.59 : x
  2. Step 2: Convert to fraction form
    26,747.72/40,113.39 = 10,115.59/x
  3. Step 3: Cross multiply
    26,747.72x = 40,113.39 × 10,115.59
  4. Step 4: Simplify right side
    26,747.72x = 405,770,606.75
  5. Step 5: Solve for x
    x = 405,770,606.75/26,747.72
  6. Step 6: Final answer
    x = 15,170.29

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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.