Home / 19,164.33-28,745.82-4,738.64

Finding the Fourth Proportional to 19,164.33, 28,745.82 and 4,738.64

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Solution

The fourth proportional to 19,164.33, 28,745.82 and 4,738.64 is: 7,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.33 : 28,745.82 = 4,738.64 : x
  2. Step 2: Convert to fraction form
    19,164.33/28,745.82 = 4,738.64/x
  3. Step 3: Cross multiply
    19,164.33x = 28,745.82 × 4,738.64
  4. Step 4: Simplify right side
    19,164.33x = 136,215,948.76
  5. Step 5: Solve for x
    x = 136,215,948.76/19,164.33
  6. Step 6: Final answer
    x = 7,107.79

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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.