Home / 18,079.82-24,951.09-10,121.57

Finding the Fourth Proportional to 18,079.82, 24,951.09 and 10,121.57

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Solution

The fourth proportional to 18,079.82, 24,951.09 and 10,121.57 is: 13,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.82 : 24,951.09 = 10,121.57 : x
  2. Step 2: Convert to fraction form
    18,079.82/24,951.09 = 10,121.57/x
  3. Step 3: Cross multiply
    18,079.82x = 24,951.09 × 10,121.57
  4. Step 4: Simplify right side
    18,079.82x = 252,544,204.01
  5. Step 5: Solve for x
    x = 252,544,204.01/18,079.82
  6. Step 6: Final answer
    x = 13,968.29

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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.