Home / 21,839.22-32,765.31-9,353.07

Finding the Fourth Proportional to 21,839.22, 32,765.31 and 9,353.07

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Solution

The fourth proportional to 21,839.22, 32,765.31 and 9,353.07 is: 14,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.22 : 32,765.31 = 9,353.07 : x
  2. Step 2: Convert to fraction form
    21,839.22/32,765.31 = 9,353.07/x
  3. Step 3: Cross multiply
    21,839.22x = 32,765.31 × 9,353.07
  4. Step 4: Simplify right side
    21,839.22x = 306,456,238.00
  5. Step 5: Solve for x
    x = 306,456,238.00/21,839.22
  6. Step 6: Final answer
    x = 14,032.38

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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.