Home / 19,755.42-27,262.22-11,258.05

Finding the Fourth Proportional to 19,755.42, 27,262.22 and 11,258.05

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Solution

The fourth proportional to 19,755.42, 27,262.22 and 11,258.05 is: 15,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.42 : 27,262.22 = 11,258.05 : x
  2. Step 2: Convert to fraction form
    19,755.42/27,262.22 = 11,258.05/x
  3. Step 3: Cross multiply
    19,755.42x = 27,262.22 × 11,258.05
  4. Step 4: Simplify right side
    19,755.42x = 306,919,435.87
  5. Step 5: Solve for x
    x = 306,919,435.87/19,755.42
  6. Step 6: Final answer
    x = 15,535.96

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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.