Home / 19,850.16-29,736.32-11,512.66

Finding the Fourth Proportional to 19,850.16, 29,736.32 and 11,512.66

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Solution

The fourth proportional to 19,850.16, 29,736.32 and 11,512.66 is: 17,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.16 : 29,736.32 = 11,512.66 : x
  2. Step 2: Convert to fraction form
    19,850.16/29,736.32 = 11,512.66/x
  3. Step 3: Cross multiply
    19,850.16x = 29,736.32 × 11,512.66
  4. Step 4: Simplify right side
    19,850.16x = 342,344,141.81
  5. Step 5: Solve for x
    x = 342,344,141.81/19,850.16
  6. Step 6: Final answer
    x = 17,246.42

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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.