Home / 18,834.43-28,251.81-4,794.47

Finding the Fourth Proportional to 18,834.43, 28,251.81 and 4,794.47

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Solution

The fourth proportional to 18,834.43, 28,251.81 and 4,794.47 is: 7,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.43 : 28,251.81 = 4,794.47 : x
  2. Step 2: Convert to fraction form
    18,834.43/28,251.81 = 4,794.47/x
  3. Step 3: Cross multiply
    18,834.43x = 28,251.81 × 4,794.47
  4. Step 4: Simplify right side
    18,834.43x = 135,452,431.52
  5. Step 5: Solve for x
    x = 135,452,431.52/18,834.43
  6. Step 6: Final answer
    x = 7,191.75

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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.