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Finding the Fourth Proportional to 13,801.26, 20,652.63 and 11,958.68

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Solution

The fourth proportional to 13,801.26, 20,652.63 and 11,958.68 is: 17,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.26 : 20,652.63 = 11,958.68 : x
  2. Step 2: Convert to fraction form
    13,801.26/20,652.63 = 11,958.68/x
  3. Step 3: Cross multiply
    13,801.26x = 20,652.63 × 11,958.68
  4. Step 4: Simplify right side
    13,801.26x = 246,978,193.33
  5. Step 5: Solve for x
    x = 246,978,193.33/13,801.26
  6. Step 6: Final answer
    x = 17,895.34

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1.5x scale

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.