Home / 19,129.94-28,694.92-5,982.38

Finding the Fourth Proportional to 19,129.94, 28,694.92 and 5,982.38

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Solution

The fourth proportional to 19,129.94, 28,694.92 and 5,982.38 is: 8,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.94 : 28,694.92 = 5,982.38 : x
  2. Step 2: Convert to fraction form
    19,129.94/28,694.92 = 5,982.38/x
  3. Step 3: Cross multiply
    19,129.94x = 28,694.92 × 5,982.38
  4. Step 4: Simplify right side
    19,129.94x = 171,663,915.51
  5. Step 5: Solve for x
    x = 171,663,915.51/19,129.94
  6. Step 6: Final answer
    x = 8,973.57

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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.