Home / 19,474.21-29,200.37-8,072.65

Finding the Fourth Proportional to 19,474.21, 29,200.37 and 8,072.65

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Solution

The fourth proportional to 19,474.21, 29,200.37 and 8,072.65 is: 12,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.21 : 29,200.37 = 8,072.65 : x
  2. Step 2: Convert to fraction form
    19,474.21/29,200.37 = 8,072.65/x
  3. Step 3: Cross multiply
    19,474.21x = 29,200.37 × 8,072.65
  4. Step 4: Simplify right side
    19,474.21x = 235,724,180.52
  5. Step 5: Solve for x
    x = 235,724,180.52/19,474.21
  6. Step 6: Final answer
    x = 12,104.43

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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.