Home / 18,251.03-25,186.43-9,867.53

Finding the Fourth Proportional to 18,251.03, 25,186.43 and 9,867.53

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Solution

The fourth proportional to 18,251.03, 25,186.43 and 9,867.53 is: 13,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.03 : 25,186.43 = 9,867.53 : x
  2. Step 2: Convert to fraction form
    18,251.03/25,186.43 = 9,867.53/x
  3. Step 3: Cross multiply
    18,251.03x = 25,186.43 × 9,867.53
  4. Step 4: Simplify right side
    18,251.03x = 248,527,853.62
  5. Step 5: Solve for x
    x = 248,527,853.62/18,251.03
  6. Step 6: Final answer
    x = 13,617.20

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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.