Home / 18,731.41-28,098.20-7,044.73

Finding the Fourth Proportional to 18,731.41, 28,098.20 and 7,044.73

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Solution

The fourth proportional to 18,731.41, 28,098.20 and 7,044.73 is: 10,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.41 : 28,098.20 = 7,044.73 : x
  2. Step 2: Convert to fraction form
    18,731.41/28,098.20 = 7,044.73/x
  3. Step 3: Cross multiply
    18,731.41x = 28,098.20 × 7,044.73
  4. Step 4: Simplify right side
    18,731.41x = 197,944,337.90
  5. Step 5: Solve for x
    x = 197,944,337.90/18,731.41
  6. Step 6: Final answer
    x = 10,567.51

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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.