Home / 18,250.88-25,186.21-9,867.38

Finding the Fourth Proportional to 18,250.88, 25,186.21 and 9,867.38

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Solution

The fourth proportional to 18,250.88, 25,186.21 and 9,867.38 is: 13,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.88 : 25,186.21 = 9,867.38 : x
  2. Step 2: Convert to fraction form
    18,250.88/25,186.21 = 9,867.38/x
  3. Step 3: Cross multiply
    18,250.88x = 25,186.21 × 9,867.38
  4. Step 4: Simplify right side
    18,250.88x = 248,521,754.23
  5. Step 5: Solve for x
    x = 248,521,754.23/18,250.88
  6. Step 6: Final answer
    x = 13,616.98

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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.