Home / 16,115.64-22,226.31-11,351.31

Finding the Fourth Proportional to 16,115.64, 22,226.31 and 11,351.31

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Solution

The fourth proportional to 16,115.64, 22,226.31 and 11,351.31 is: 15,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.64 : 22,226.31 = 11,351.31 : x
  2. Step 2: Convert to fraction form
    16,115.64/22,226.31 = 11,351.31/x
  3. Step 3: Cross multiply
    16,115.64x = 22,226.31 × 11,351.31
  4. Step 4: Simplify right side
    16,115.64x = 252,297,734.97
  5. Step 5: Solve for x
    x = 252,297,734.97/16,115.64
  6. Step 6: Final answer
    x = 15,655.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.