Home / 20,551.75-30,832.49-6,700.75

Finding the Fourth Proportional to 20,551.75, 30,832.49 and 6,700.75

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Solution

The fourth proportional to 20,551.75, 30,832.49 and 6,700.75 is: 10,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.75 : 30,832.49 = 6,700.75 : x
  2. Step 2: Convert to fraction form
    20,551.75/30,832.49 = 6,700.75/x
  3. Step 3: Cross multiply
    20,551.75x = 30,832.49 × 6,700.75
  4. Step 4: Simplify right side
    20,551.75x = 206,600,807.37
  5. Step 5: Solve for x
    x = 206,600,807.37/20,551.75
  6. Step 6: Final answer
    x = 10,052.71

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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.