Home / 19,351.44-29,007.36-13,112.04

Finding the Fourth Proportional to 19,351.44, 29,007.36 and 13,112.04

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Solution

The fourth proportional to 19,351.44, 29,007.36 and 13,112.04 is: 19,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.44 : 29,007.36 = 13,112.04 : x
  2. Step 2: Convert to fraction form
    19,351.44/29,007.36 = 13,112.04/x
  3. Step 3: Cross multiply
    19,351.44x = 29,007.36 × 13,112.04
  4. Step 4: Simplify right side
    19,351.44x = 380,345,664.61
  5. Step 5: Solve for x
    x = 380,345,664.61/19,351.44
  6. Step 6: Final answer
    x = 19,654.64

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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.