Home / 26,664.25-39,990.22-7,942.59

Finding the Fourth Proportional to 26,664.25, 39,990.22 and 7,942.59

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Solution

The fourth proportional to 26,664.25, 39,990.22 and 7,942.59 is: 11,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.25 : 39,990.22 = 7,942.59 : x
  2. Step 2: Convert to fraction form
    26,664.25/39,990.22 = 7,942.59/x
  3. Step 3: Cross multiply
    26,664.25x = 39,990.22 × 7,942.59
  4. Step 4: Simplify right side
    26,664.25x = 317,625,921.47
  5. Step 5: Solve for x
    x = 317,625,921.47/26,664.25
  6. Step 6: Final answer
    x = 11,912.05

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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.