Home / 18,198.75-25,115.48-10,241.52

Finding the Fourth Proportional to 18,198.75, 25,115.48 and 10,241.52

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Solution

The fourth proportional to 18,198.75, 25,115.48 and 10,241.52 is: 14,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.75 : 25,115.48 = 10,241.52 : x
  2. Step 2: Convert to fraction form
    18,198.75/25,115.48 = 10,241.52/x
  3. Step 3: Cross multiply
    18,198.75x = 25,115.48 × 10,241.52
  4. Step 4: Simplify right side
    18,198.75x = 257,220,690.73
  5. Step 5: Solve for x
    x = 257,220,690.73/18,198.75
  6. Step 6: Final answer
    x = 14,133.98

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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.