Home / 26,605.50-39,891.39-12,545.82

Finding the Fourth Proportional to 26,605.50, 39,891.39 and 12,545.82

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Solution

The fourth proportional to 26,605.50, 39,891.39 and 12,545.82 is: 18,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.50 : 39,891.39 = 12,545.82 : x
  2. Step 2: Convert to fraction form
    26,605.50/39,891.39 = 12,545.82/x
  3. Step 3: Cross multiply
    26,605.50x = 39,891.39 × 12,545.82
  4. Step 4: Simplify right side
    26,605.50x = 500,470,151.44
  5. Step 5: Solve for x
    x = 500,470,151.44/26,605.50
  6. Step 6: Final answer
    x = 18,810.78

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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.