Home / 11,954.10-17,928.75-11,361.36

Finding the Fourth Proportional to 11,954.10, 17,928.75 and 11,361.36

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Solution

The fourth proportional to 11,954.10, 17,928.75 and 11,361.36 is: 17,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.10 : 17,928.75 = 11,361.36 : x
  2. Step 2: Convert to fraction form
    11,954.10/17,928.75 = 11,361.36/x
  3. Step 3: Cross multiply
    11,954.10x = 17,928.75 × 11,361.36
  4. Step 4: Simplify right side
    11,954.10x = 203,694,983.10
  5. Step 5: Solve for x
    x = 203,694,983.10/11,954.10
  6. Step 6: Final answer
    x = 17,039.76

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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.