Home / 21,745.14-32,645.25-18,092.04

Finding the Fourth Proportional to 21,745.14, 32,645.25 and 18,092.04

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Solution

The fourth proportional to 21,745.14, 32,645.25 and 18,092.04 is: 27,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.14 : 32,645.25 = 18,092.04 : x
  2. Step 2: Convert to fraction form
    21,745.14/32,645.25 = 18,092.04/x
  3. Step 3: Cross multiply
    21,745.14x = 32,645.25 × 18,092.04
  4. Step 4: Simplify right side
    21,745.14x = 590,619,168.81
  5. Step 5: Solve for x
    x = 590,619,168.81/21,745.14
  6. Step 6: Final answer
    x = 27,160.97

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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.