Home / 18,902.44-28,357.90-5,755.85

Finding the Fourth Proportional to 18,902.44, 28,357.90 and 5,755.85

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Solution

The fourth proportional to 18,902.44, 28,357.90 and 5,755.85 is: 8,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.44 : 28,357.90 = 5,755.85 : x
  2. Step 2: Convert to fraction form
    18,902.44/28,357.90 = 5,755.85/x
  3. Step 3: Cross multiply
    18,902.44x = 28,357.90 × 5,755.85
  4. Step 4: Simplify right side
    18,902.44x = 163,223,662.54
  5. Step 5: Solve for x
    x = 163,223,662.54/18,902.44
  6. Step 6: Final answer
    x = 8,635.06

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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.