Home / 19,956.09-27,539.59-11,003.92

Finding the Fourth Proportional to 19,956.09, 27,539.59 and 11,003.92

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Solution

The fourth proportional to 19,956.09, 27,539.59 and 11,003.92 is: 15,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.09 : 27,539.59 = 11,003.92 : x
  2. Step 2: Convert to fraction form
    19,956.09/27,539.59 = 11,003.92/x
  3. Step 3: Cross multiply
    19,956.09x = 27,539.59 × 11,003.92
  4. Step 4: Simplify right side
    19,956.09x = 303,043,348.83
  5. Step 5: Solve for x
    x = 303,043,348.83/19,956.09
  6. Step 6: Final answer
    x = 15,185.51

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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.