Home / 19,351.29-28,969.52-11,832.34

Finding the Fourth Proportional to 19,351.29, 28,969.52 and 11,832.34

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Solution

The fourth proportional to 19,351.29, 28,969.52 and 11,832.34 is: 17,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.29 : 28,969.52 = 11,832.34 : x
  2. Step 2: Convert to fraction form
    19,351.29/28,969.52 = 11,832.34/x
  3. Step 3: Cross multiply
    19,351.29x = 28,969.52 × 11,832.34
  4. Step 4: Simplify right side
    19,351.29x = 342,777,078.69
  5. Step 5: Solve for x
    x = 342,777,078.69/19,351.29
  6. Step 6: Final answer
    x = 17,713.40

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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.