Home / 20,744.83-31,120.89-6,707.94

Finding the Fourth Proportional to 20,744.83, 31,120.89 and 6,707.94

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Solution

The fourth proportional to 20,744.83, 31,120.89 and 6,707.94 is: 10,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.83 : 31,120.89 = 6,707.94 : x
  2. Step 2: Convert to fraction form
    20,744.83/31,120.89 = 6,707.94/x
  3. Step 3: Cross multiply
    20,744.83x = 31,120.89 × 6,707.94
  4. Step 4: Simplify right side
    20,744.83x = 208,757,062.87
  5. Step 5: Solve for x
    x = 208,757,062.87/20,744.83
  6. Step 6: Final answer
    x = 10,063.09

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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.