Home / 19,448.78-29,179.31-6,968.49

Finding the Fourth Proportional to 19,448.78, 29,179.31 and 6,968.49

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Solution

The fourth proportional to 19,448.78, 29,179.31 and 6,968.49 is: 10,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.78 : 29,179.31 = 6,968.49 : x
  2. Step 2: Convert to fraction form
    19,448.78/29,179.31 = 6,968.49/x
  3. Step 3: Cross multiply
    19,448.78x = 29,179.31 × 6,968.49
  4. Step 4: Simplify right side
    19,448.78x = 203,335,695.10
  5. Step 5: Solve for x
    x = 203,335,695.10/19,448.78
  6. Step 6: Final answer
    x = 10,454.94

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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.