Home / 19,536.89-29,220.66-11,512.52

Finding the Fourth Proportional to 19,536.89, 29,220.66 and 11,512.52

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Solution

The fourth proportional to 19,536.89, 29,220.66 and 11,512.52 is: 17,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.89 : 29,220.66 = 11,512.52 : x
  2. Step 2: Convert to fraction form
    19,536.89/29,220.66 = 11,512.52/x
  3. Step 3: Cross multiply
    19,536.89x = 29,220.66 × 11,512.52
  4. Step 4: Simplify right side
    19,536.89x = 336,403,286.56
  5. Step 5: Solve for x
    x = 336,403,286.56/19,536.89
  6. Step 6: Final answer
    x = 17,218.88

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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.