Home / 19,956.48-27,540.05-11,003.83

Finding the Fourth Proportional to 19,956.48, 27,540.05 and 11,003.83

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Solution

The fourth proportional to 19,956.48, 27,540.05 and 11,003.83 is: 15,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.48 : 27,540.05 = 11,003.83 : x
  2. Step 2: Convert to fraction form
    19,956.48/27,540.05 = 11,003.83/x
  3. Step 3: Cross multiply
    19,956.48x = 27,540.05 × 11,003.83
  4. Step 4: Simplify right side
    19,956.48x = 303,046,028.39
  5. Step 5: Solve for x
    x = 303,046,028.39/19,956.48
  6. Step 6: Final answer
    x = 15,185.34

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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.