Home / 26,121.60-39,156.66-16,734.96

Finding the Fourth Proportional to 26,121.60, 39,156.66 and 16,734.96

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Solution

The fourth proportional to 26,121.60, 39,156.66 and 16,734.96 is: 25,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.60 : 39,156.66 = 16,734.96 : x
  2. Step 2: Convert to fraction form
    26,121.60/39,156.66 = 16,734.96/x
  3. Step 3: Cross multiply
    26,121.60x = 39,156.66 × 16,734.96
  4. Step 4: Simplify right side
    26,121.60x = 655,285,138.83
  5. Step 5: Solve for x
    x = 655,285,138.83/26,121.60
  6. Step 6: Final answer
    x = 25,085.95

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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.