Home / 21,791.72-32,693.25-6,210.56

Finding the Fourth Proportional to 21,791.72, 32,693.25 and 6,210.56

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Solution

The fourth proportional to 21,791.72, 32,693.25 and 6,210.56 is: 9,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.72 : 32,693.25 = 6,210.56 : x
  2. Step 2: Convert to fraction form
    21,791.72/32,693.25 = 6,210.56/x
  3. Step 3: Cross multiply
    21,791.72x = 32,693.25 × 6,210.56
  4. Step 4: Simplify right side
    21,791.72x = 203,043,390.72
  5. Step 5: Solve for x
    x = 203,043,390.72/21,791.72
  6. Step 6: Final answer
    x = 9,317.46

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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.