Home / 20,841.87-31,265.55-6,796.97

Finding the Fourth Proportional to 20,841.87, 31,265.55 and 6,796.97

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Solution

The fourth proportional to 20,841.87, 31,265.55 and 6,796.97 is: 10,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.87 : 31,265.55 = 6,796.97 : x
  2. Step 2: Convert to fraction form
    20,841.87/31,265.55 = 6,796.97/x
  3. Step 3: Cross multiply
    20,841.87x = 31,265.55 × 6,796.97
  4. Step 4: Simplify right side
    20,841.87x = 212,511,005.38
  5. Step 5: Solve for x
    x = 212,511,005.38/20,841.87
  6. Step 6: Final answer
    x = 10,196.35

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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.