Home / 18,601.05-27,898.48-6,121.23

Finding the Fourth Proportional to 18,601.05, 27,898.48 and 6,121.23

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Solution

The fourth proportional to 18,601.05, 27,898.48 and 6,121.23 is: 9,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.05 : 27,898.48 = 6,121.23 : x
  2. Step 2: Convert to fraction form
    18,601.05/27,898.48 = 6,121.23/x
  3. Step 3: Cross multiply
    18,601.05x = 27,898.48 × 6,121.23
  4. Step 4: Simplify right side
    18,601.05x = 170,773,012.73
  5. Step 5: Solve for x
    x = 170,773,012.73/18,601.05
  6. Step 6: Final answer
    x = 9,180.83

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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.