Home / 18,772.57-28,165.11-6,293.83

Finding the Fourth Proportional to 18,772.57, 28,165.11 and 6,293.83

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Solution

The fourth proportional to 18,772.57, 28,165.11 and 6,293.83 is: 9,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.57 : 28,165.11 = 6,293.83 : x
  2. Step 2: Convert to fraction form
    18,772.57/28,165.11 = 6,293.83/x
  3. Step 3: Cross multiply
    18,772.57x = 28,165.11 × 6,293.83
  4. Step 4: Simplify right side
    18,772.57x = 177,266,414.27
  5. Step 5: Solve for x
    x = 177,266,414.27/18,772.57
  6. Step 6: Final answer
    x = 9,442.84

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1.5x scale

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.