Home / 12,744.44-19,110.42-3,979.32

Finding the Fourth Proportional to 12,744.44, 19,110.42 and 3,979.32

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Solution

The fourth proportional to 12,744.44, 19,110.42 and 3,979.32 is: 5,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.44 : 19,110.42 = 3,979.32 : x
  2. Step 2: Convert to fraction form
    12,744.44/19,110.42 = 3,979.32/x
  3. Step 3: Cross multiply
    12,744.44x = 19,110.42 × 3,979.32
  4. Step 4: Simplify right side
    12,744.44x = 76,046,476.51
  5. Step 5: Solve for x
    x = 76,046,476.51/12,744.44
  6. Step 6: Final answer
    x = 5,967.03

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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.