Home / 19,282.04-28,917.38-8,745.96

Finding the Fourth Proportional to 19,282.04, 28,917.38 and 8,745.96

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Solution

The fourth proportional to 19,282.04, 28,917.38 and 8,745.96 is: 13,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.04 : 28,917.38 = 8,745.96 : x
  2. Step 2: Convert to fraction form
    19,282.04/28,917.38 = 8,745.96/x
  3. Step 3: Cross multiply
    19,282.04x = 28,917.38 × 8,745.96
  4. Step 4: Simplify right side
    19,282.04x = 252,910,342.94
  5. Step 5: Solve for x
    x = 252,910,342.94/19,282.04
  6. Step 6: Final answer
    x = 13,116.37

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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.