Home / 20,840.00-31,261.91-6,796.43

Finding the Fourth Proportional to 20,840.00, 31,261.91 and 6,796.43

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Solution

The fourth proportional to 20,840.00, 31,261.91 and 6,796.43 is: 10,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.00 : 31,261.91 = 6,796.43 : x
  2. Step 2: Convert to fraction form
    20,840.00/31,261.91 = 6,796.43/x
  3. Step 3: Cross multiply
    20,840.00x = 31,261.91 × 6,796.43
  4. Step 4: Simplify right side
    20,840.00x = 212,469,192.69
  5. Step 5: Solve for x
    x = 212,469,192.69/20,840.00
  6. Step 6: Final answer
    x = 10,195.26

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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.