Home / 26,956.22-40,434.34-12,147.82

Finding the Fourth Proportional to 26,956.22, 40,434.34 and 12,147.82

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Solution

The fourth proportional to 26,956.22, 40,434.34 and 12,147.82 is: 18,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,956.22 : 40,434.34 = 12,147.82 : x
  2. Step 2: Convert to fraction form
    26,956.22/40,434.34 = 12,147.82/x
  3. Step 3: Cross multiply
    26,956.22x = 40,434.34 × 12,147.82
  4. Step 4: Simplify right side
    26,956.22x = 491,189,202.90
  5. Step 5: Solve for x
    x = 491,189,202.90/26,956.22
  6. Step 6: Final answer
    x = 18,221.74

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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.