Home / 18,731.88-25,850.05-10,773.58

Finding the Fourth Proportional to 18,731.88, 25,850.05 and 10,773.58

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Solution

The fourth proportional to 18,731.88, 25,850.05 and 10,773.58 is: 14,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.88 : 25,850.05 = 10,773.58 : x
  2. Step 2: Convert to fraction form
    18,731.88/25,850.05 = 10,773.58/x
  3. Step 3: Cross multiply
    18,731.88x = 25,850.05 × 10,773.58
  4. Step 4: Simplify right side
    18,731.88x = 278,497,581.68
  5. Step 5: Solve for x
    x = 278,497,581.68/18,731.88
  6. Step 6: Final answer
    x = 14,867.57

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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.