Home / 19,650.80-29,473.26-7,167.88

Finding the Fourth Proportional to 19,650.80, 29,473.26 and 7,167.88

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Solution

The fourth proportional to 19,650.80, 29,473.26 and 7,167.88 is: 10,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.80 : 29,473.26 = 7,167.88 : x
  2. Step 2: Convert to fraction form
    19,650.80/29,473.26 = 7,167.88/x
  3. Step 3: Cross multiply
    19,650.80x = 29,473.26 × 7,167.88
  4. Step 4: Simplify right side
    19,650.80x = 211,260,790.89
  5. Step 5: Solve for x
    x = 211,260,790.89/19,650.80
  6. Step 6: Final answer
    x = 10,750.75

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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.