Home / 18,618.73-27,922.17-6,136.43

Finding the Fourth Proportional to 18,618.73, 27,922.17 and 6,136.43

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Solution

The fourth proportional to 18,618.73, 27,922.17 and 6,136.43 is: 9,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.73 : 27,922.17 = 6,136.43 : x
  2. Step 2: Convert to fraction form
    18,618.73/27,922.17 = 6,136.43/x
  3. Step 3: Cross multiply
    18,618.73x = 27,922.17 × 6,136.43
  4. Step 4: Simplify right side
    18,618.73x = 171,342,447.17
  5. Step 5: Solve for x
    x = 171,342,447.17/18,618.73
  6. Step 6: Final answer
    x = 9,202.69

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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.