Home / 20,676.27-31,011.84-6,635.19

Finding the Fourth Proportional to 20,676.27, 31,011.84 and 6,635.19

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Solution

The fourth proportional to 20,676.27, 31,011.84 and 6,635.19 is: 9,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.27 : 31,011.84 = 6,635.19 : x
  2. Step 2: Convert to fraction form
    20,676.27/31,011.84 = 6,635.19/x
  3. Step 3: Cross multiply
    20,676.27x = 31,011.84 × 6,635.19
  4. Step 4: Simplify right side
    20,676.27x = 205,769,450.65
  5. Step 5: Solve for x
    x = 205,769,450.65/20,676.27
  6. Step 6: Final answer
    x = 9,951.96

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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.