Home / 19,171.80-28,760.40-6,022.80

Finding the Fourth Proportional to 19,171.80, 28,760.40 and 6,022.80

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Solution

The fourth proportional to 19,171.80, 28,760.40 and 6,022.80 is: 9,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.80 : 28,760.40 = 6,022.80 : x
  2. Step 2: Convert to fraction form
    19,171.80/28,760.40 = 6,022.80/x
  3. Step 3: Cross multiply
    19,171.80x = 28,760.40 × 6,022.80
  4. Step 4: Simplify right side
    19,171.80x = 173,218,137.12
  5. Step 5: Solve for x
    x = 173,218,137.12/19,171.80
  6. Step 6: Final answer
    x = 9,035.05

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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.