Home / 18,834.22-28,251.60-8,974.54

Finding the Fourth Proportional to 18,834.22, 28,251.60 and 8,974.54

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Solution

The fourth proportional to 18,834.22, 28,251.60 and 8,974.54 is: 13,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.22 : 28,251.60 = 8,974.54 : x
  2. Step 2: Convert to fraction form
    18,834.22/28,251.60 = 8,974.54/x
  3. Step 3: Cross multiply
    18,834.22x = 28,251.60 × 8,974.54
  4. Step 4: Simplify right side
    18,834.22x = 253,545,114.26
  5. Step 5: Solve for x
    x = 253,545,114.26/18,834.22
  6. Step 6: Final answer
    x = 13,461.94

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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.