Home / 21,363.36-29,481.48-11,932.26

Finding the Fourth Proportional to 21,363.36, 29,481.48 and 11,932.26

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Solution

The fourth proportional to 21,363.36, 29,481.48 and 11,932.26 is: 16,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.36 : 29,481.48 = 11,932.26 : x
  2. Step 2: Convert to fraction form
    21,363.36/29,481.48 = 11,932.26/x
  3. Step 3: Cross multiply
    21,363.36x = 29,481.48 × 11,932.26
  4. Step 4: Simplify right side
    21,363.36x = 351,780,684.54
  5. Step 5: Solve for x
    x = 351,780,684.54/21,363.36
  6. Step 6: Final answer
    x = 16,466.54

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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.