Home / 20,032.27-27,650.28-13,231.26

Finding the Fourth Proportional to 20,032.27, 27,650.28 and 13,231.26

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Solution

The fourth proportional to 20,032.27, 27,650.28 and 13,231.26 is: 18,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.27 : 27,650.28 = 13,231.26 : x
  2. Step 2: Convert to fraction form
    20,032.27/27,650.28 = 13,231.26/x
  3. Step 3: Cross multiply
    20,032.27x = 27,650.28 × 13,231.26
  4. Step 4: Simplify right side
    20,032.27x = 365,848,112.88
  5. Step 5: Solve for x
    x = 365,848,112.88/20,032.27
  6. Step 6: Final answer
    x = 18,262.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.