Home / 26,918.11-40,374.33-7,198.66

Finding the Fourth Proportional to 26,918.11, 40,374.33 and 7,198.66

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Solution

The fourth proportional to 26,918.11, 40,374.33 and 7,198.66 is: 10,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.11 : 40,374.33 = 7,198.66 : x
  2. Step 2: Convert to fraction form
    26,918.11/40,374.33 = 7,198.66/x
  3. Step 3: Cross multiply
    26,918.11x = 40,374.33 × 7,198.66
  4. Step 4: Simplify right side
    26,918.11x = 290,641,074.40
  5. Step 5: Solve for x
    x = 290,641,074.40/26,918.11
  6. Step 6: Final answer
    x = 10,797.23

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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.