Home / 13,815.73-20,726.83-5,496.22

Finding the Fourth Proportional to 13,815.73, 20,726.83 and 5,496.22

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Solution

The fourth proportional to 13,815.73, 20,726.83 and 5,496.22 is: 8,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.73 : 20,726.83 = 5,496.22 : x
  2. Step 2: Convert to fraction form
    13,815.73/20,726.83 = 5,496.22/x
  3. Step 3: Cross multiply
    13,815.73x = 20,726.83 × 5,496.22
  4. Step 4: Simplify right side
    13,815.73x = 113,919,086.47
  5. Step 5: Solve for x
    x = 113,919,086.47/13,815.73
  6. Step 6: Final answer
    x = 8,245.61

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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.