Home / 20,836.92-31,247.14-6,793.50

Finding the Fourth Proportional to 20,836.92, 31,247.14 and 6,793.50

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Solution

The fourth proportional to 20,836.92, 31,247.14 and 6,793.50 is: 10,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.92 : 31,247.14 = 6,793.50 : x
  2. Step 2: Convert to fraction form
    20,836.92/31,247.14 = 6,793.50/x
  3. Step 3: Cross multiply
    20,836.92x = 31,247.14 × 6,793.50
  4. Step 4: Simplify right side
    20,836.92x = 212,277,313.98
  5. Step 5: Solve for x
    x = 212,277,313.98/20,836.92
  6. Step 6: Final answer
    x = 10,187.56

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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.