Home / 13,486.26-20,231.43-5,693.25

Finding the Fourth Proportional to 13,486.26, 20,231.43 and 5,693.25

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Solution

The fourth proportional to 13,486.26, 20,231.43 and 5,693.25 is: 8,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.26 : 20,231.43 = 5,693.25 : x
  2. Step 2: Convert to fraction form
    13,486.26/20,231.43 = 5,693.25/x
  3. Step 3: Cross multiply
    13,486.26x = 20,231.43 × 5,693.25
  4. Step 4: Simplify right side
    13,486.26x = 115,182,588.85
  5. Step 5: Solve for x
    x = 115,182,588.85/13,486.26
  6. Step 6: Final answer
    x = 8,540.74

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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.