Home / 20,734.22-31,100.38-6,694.89

Finding the Fourth Proportional to 20,734.22, 31,100.38 and 6,694.89

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Solution

The fourth proportional to 20,734.22, 31,100.38 and 6,694.89 is: 10,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.22 : 31,100.38 = 6,694.89 : x
  2. Step 2: Convert to fraction form
    20,734.22/31,100.38 = 6,694.89/x
  3. Step 3: Cross multiply
    20,734.22x = 31,100.38 × 6,694.89
  4. Step 4: Simplify right side
    20,734.22x = 208,213,709.18
  5. Step 5: Solve for x
    x = 208,213,709.18/20,734.22
  6. Step 6: Final answer
    x = 10,042.03

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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.