Home / 20,734.41-31,100.66-6,695.08

Finding the Fourth Proportional to 20,734.41, 31,100.66 and 6,695.08

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Solution

The fourth proportional to 20,734.41, 31,100.66 and 6,695.08 is: 10,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.41 : 31,100.66 = 6,695.08 : x
  2. Step 2: Convert to fraction form
    20,734.41/31,100.66 = 6,695.08/x
  3. Step 3: Cross multiply
    20,734.41x = 31,100.66 × 6,695.08
  4. Step 4: Simplify right side
    20,734.41x = 208,221,423.49
  5. Step 5: Solve for x
    x = 208,221,423.49/20,734.41
  6. Step 6: Final answer
    x = 10,042.31

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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.