Home / 18,823.25-28,226.66-6,339.92

Finding the Fourth Proportional to 18,823.25, 28,226.66 and 6,339.92

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Solution

The fourth proportional to 18,823.25, 28,226.66 and 6,339.92 is: 9,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.25 : 28,226.66 = 6,339.92 : x
  2. Step 2: Convert to fraction form
    18,823.25/28,226.66 = 6,339.92/x
  3. Step 3: Cross multiply
    18,823.25x = 28,226.66 × 6,339.92
  4. Step 4: Simplify right side
    18,823.25x = 178,954,593.43
  5. Step 5: Solve for x
    x = 178,954,593.43/18,823.25
  6. Step 6: Final answer
    x = 9,507.11

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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.