Home / 26,138.16-39,213.72-8,608.14

Finding the Fourth Proportional to 26,138.16, 39,213.72 and 8,608.14

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Solution

The fourth proportional to 26,138.16, 39,213.72 and 8,608.14 is: 12,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.16 : 39,213.72 = 8,608.14 : x
  2. Step 2: Convert to fraction form
    26,138.16/39,213.72 = 8,608.14/x
  3. Step 3: Cross multiply
    26,138.16x = 39,213.72 × 8,608.14
  4. Step 4: Simplify right side
    26,138.16x = 337,557,191.68
  5. Step 5: Solve for x
    x = 337,557,191.68/26,138.16
  6. Step 6: Final answer
    x = 12,914.34

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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.