Home / 26,408.92-39,578.64-10,818.04

Finding the Fourth Proportional to 26,408.92, 39,578.64 and 10,818.04

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Solution

The fourth proportional to 26,408.92, 39,578.64 and 10,818.04 is: 16,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.92 : 39,578.64 = 10,818.04 : x
  2. Step 2: Convert to fraction form
    26,408.92/39,578.64 = 10,818.04/x
  3. Step 3: Cross multiply
    26,408.92x = 39,578.64 × 10,818.04
  4. Step 4: Simplify right side
    26,408.92x = 428,163,310.67
  5. Step 5: Solve for x
    x = 428,163,310.67/26,408.92
  6. Step 6: Final answer
    x = 16,212.83

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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.