Home / 18,832.38-28,248.75-4,792.43

Finding the Fourth Proportional to 18,832.38, 28,248.75 and 4,792.43

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Solution

The fourth proportional to 18,832.38, 28,248.75 and 4,792.43 is: 7,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.38 : 28,248.75 = 4,792.43 : x
  2. Step 2: Convert to fraction form
    18,832.38/28,248.75 = 4,792.43/x
  3. Step 3: Cross multiply
    18,832.38x = 28,248.75 × 4,792.43
  4. Step 4: Simplify right side
    18,832.38x = 135,380,015.72
  5. Step 5: Solve for x
    x = 135,380,015.72/18,832.38
  6. Step 6: Final answer
    x = 7,188.68

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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.