Home / 19,286.40-28,923.93-8,193

Finding the Fourth Proportional to 19,286.40, 28,923.93 and 8,193

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Solution

The fourth proportional to 19,286.40, 28,923.93 and 8,193 is: 12,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.40 : 28,923.93 = 8,193 : x
  2. Step 2: Convert to fraction form
    19,286.40/28,923.93 = 8,193/x
  3. Step 3: Cross multiply
    19,286.40x = 28,923.93 × 8,193
  4. Step 4: Simplify right side
    19,286.40x = 236,973,758.49
  5. Step 5: Solve for x
    x = 236,973,758.49/19,286.40
  6. Step 6: Final answer
    x = 12,287.09

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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.