Home / 18,850.62-26,006.40-10,891.38

Finding the Fourth Proportional to 18,850.62, 26,006.40 and 10,891.38

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Solution

The fourth proportional to 18,850.62, 26,006.40 and 10,891.38 is: 15,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.62 : 26,006.40 = 10,891.38 : x
  2. Step 2: Convert to fraction form
    18,850.62/26,006.40 = 10,891.38/x
  3. Step 3: Cross multiply
    18,850.62x = 26,006.40 × 10,891.38
  4. Step 4: Simplify right side
    18,850.62x = 283,245,584.83
  5. Step 5: Solve for x
    x = 283,245,584.83/18,850.62
  6. Step 6: Final answer
    x = 15,025.80

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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.