Home / 18,545.92-25,592.44-11,000.80

Finding the Fourth Proportional to 18,545.92, 25,592.44 and 11,000.80

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Solution

The fourth proportional to 18,545.92, 25,592.44 and 11,000.80 is: 15,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.92 : 25,592.44 = 11,000.80 : x
  2. Step 2: Convert to fraction form
    18,545.92/25,592.44 = 11,000.80/x
  3. Step 3: Cross multiply
    18,545.92x = 25,592.44 × 11,000.80
  4. Step 4: Simplify right side
    18,545.92x = 281,537,313.95
  5. Step 5: Solve for x
    x = 281,537,313.95/18,545.92
  6. Step 6: Final answer
    x = 15,180.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.