Home / 20,841.72-31,265.16-6,798.00

Finding the Fourth Proportional to 20,841.72, 31,265.16 and 6,798.00

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Solution

The fourth proportional to 20,841.72, 31,265.16 and 6,798.00 is: 10,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.72 : 31,265.16 = 6,798.00 : x
  2. Step 2: Convert to fraction form
    20,841.72/31,265.16 = 6,798.00/x
  3. Step 3: Cross multiply
    20,841.72x = 31,265.16 × 6,798.00
  4. Step 4: Simplify right side
    20,841.72x = 212,540,414.94
  5. Step 5: Solve for x
    x = 212,540,414.94/20,841.72
  6. Step 6: Final answer
    x = 10,197.83

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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.