Home / 26,843.78-40,268.10-9,074

Finding the Fourth Proportional to 26,843.78, 40,268.10 and 9,074

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Solution

The fourth proportional to 26,843.78, 40,268.10 and 9,074 is: 13,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.78 : 40,268.10 = 9,074 : x
  2. Step 2: Convert to fraction form
    26,843.78/40,268.10 = 9,074/x
  3. Step 3: Cross multiply
    26,843.78x = 40,268.10 × 9,074
  4. Step 4: Simplify right side
    26,843.78x = 365,392,739.40
  5. Step 5: Solve for x
    x = 365,392,739.40/26,843.78
  6. Step 6: Final answer
    x = 13,611.82

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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.