Home / 20,083.97-30,105.06-6,747.07

Finding the Fourth Proportional to 20,083.97, 30,105.06 and 6,747.07

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Solution

The fourth proportional to 20,083.97, 30,105.06 and 6,747.07 is: 10,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.97 : 30,105.06 = 6,747.07 : x
  2. Step 2: Convert to fraction form
    20,083.97/30,105.06 = 6,747.07/x
  3. Step 3: Cross multiply
    20,083.97x = 30,105.06 × 6,747.07
  4. Step 4: Simplify right side
    20,083.97x = 203,120,903.06
  5. Step 5: Solve for x
    x = 203,120,903.06/20,083.97
  6. Step 6: Final answer
    x = 10,113.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.