Home / 18,020.72-24,867.24-11,306

Finding the Fourth Proportional to 18,020.72, 24,867.24 and 11,306

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Solution

The fourth proportional to 18,020.72, 24,867.24 and 11,306 is: 15,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.72 : 24,867.24 = 11,306 : x
  2. Step 2: Convert to fraction form
    18,020.72/24,867.24 = 11,306/x
  3. Step 3: Cross multiply
    18,020.72x = 24,867.24 × 11,306
  4. Step 4: Simplify right side
    18,020.72x = 281,149,015.44
  5. Step 5: Solve for x
    x = 281,149,015.44/18,020.72
  6. Step 6: Final answer
    x = 15,601.43

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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.