Home / 26,842.14-40,250.15-8,118.57

Finding the Fourth Proportional to 26,842.14, 40,250.15 and 8,118.57

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Solution

The fourth proportional to 26,842.14, 40,250.15 and 8,118.57 is: 12,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842.14 : 40,250.15 = 8,118.57 : x
  2. Step 2: Convert to fraction form
    26,842.14/40,250.15 = 8,118.57/x
  3. Step 3: Cross multiply
    26,842.14x = 40,250.15 × 8,118.57
  4. Step 4: Simplify right side
    26,842.14x = 326,773,619.69
  5. Step 5: Solve for x
    x = 326,773,619.69/26,842.14
  6. Step 6: Final answer
    x = 12,173.90

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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.