Home / 18,236.40-25,167.07-10,278.96

Finding the Fourth Proportional to 18,236.40, 25,167.07 and 10,278.96

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Solution

The fourth proportional to 18,236.40, 25,167.07 and 10,278.96 is: 14,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.40 : 25,167.07 = 10,278.96 : x
  2. Step 2: Convert to fraction form
    18,236.40/25,167.07 = 10,278.96/x
  3. Step 3: Cross multiply
    18,236.40x = 25,167.07 × 10,278.96
  4. Step 4: Simplify right side
    18,236.40x = 258,691,305.85
  5. Step 5: Solve for x
    x = 258,691,305.85/18,236.40
  6. Step 6: Final answer
    x = 14,185.44

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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.