Home / 18,824.31-28,226.43-6,340.14

Finding the Fourth Proportional to 18,824.31, 28,226.43 and 6,340.14

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Solution

The fourth proportional to 18,824.31, 28,226.43 and 6,340.14 is: 9,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.31 : 28,226.43 = 6,340.14 : x
  2. Step 2: Convert to fraction form
    18,824.31/28,226.43 = 6,340.14/x
  3. Step 3: Cross multiply
    18,824.31x = 28,226.43 × 6,340.14
  4. Step 4: Simplify right side
    18,824.31x = 178,959,517.90
  5. Step 5: Solve for x
    x = 178,959,517.90/18,824.31
  6. Step 6: Final answer
    x = 9,506.83

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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.