Home / 26,734.80-40,121.40-11,163.60

Finding the Fourth Proportional to 26,734.80, 40,121.40 and 11,163.60

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Solution

The fourth proportional to 26,734.80, 40,121.40 and 11,163.60 is: 16,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,734.80 : 40,121.40 = 11,163.60 : x
  2. Step 2: Convert to fraction form
    26,734.80/40,121.40 = 11,163.60/x
  3. Step 3: Cross multiply
    26,734.80x = 40,121.40 × 11,163.60
  4. Step 4: Simplify right side
    26,734.80x = 447,899,261.04
  5. Step 5: Solve for x
    x = 447,899,261.04/26,734.80
  6. Step 6: Final answer
    x = 16,753.42

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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.