Home / 18,233.70-25,164.28-10,679.56

Finding the Fourth Proportional to 18,233.70, 25,164.28 and 10,679.56

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Solution

The fourth proportional to 18,233.70, 25,164.28 and 10,679.56 is: 14,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.70 : 25,164.28 = 10,679.56 : x
  2. Step 2: Convert to fraction form
    18,233.70/25,164.28 = 10,679.56/x
  3. Step 3: Cross multiply
    18,233.70x = 25,164.28 × 10,679.56
  4. Step 4: Simplify right side
    18,233.70x = 268,743,438.12
  5. Step 5: Solve for x
    x = 268,743,438.12/18,233.70
  6. Step 6: Final answer
    x = 14,738.83

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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.