Home / 18,723.40-25,843.38-10,766.44

Finding the Fourth Proportional to 18,723.40, 25,843.38 and 10,766.44

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Solution

The fourth proportional to 18,723.40, 25,843.38 and 10,766.44 is: 14,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.40 : 25,843.38 = 10,766.44 : x
  2. Step 2: Convert to fraction form
    18,723.40/25,843.38 = 10,766.44/x
  3. Step 3: Cross multiply
    18,723.40x = 25,843.38 × 10,766.44
  4. Step 4: Simplify right side
    18,723.40x = 278,241,200.17
  5. Step 5: Solve for x
    x = 278,241,200.17/18,723.40
  6. Step 6: Final answer
    x = 14,860.61

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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.