Home / 19,170.81-28,759.11-6,021.94

Finding the Fourth Proportional to 19,170.81, 28,759.11 and 6,021.94

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Solution

The fourth proportional to 19,170.81, 28,759.11 and 6,021.94 is: 9,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.81 : 28,759.11 = 6,021.94 : x
  2. Step 2: Convert to fraction form
    19,170.81/28,759.11 = 6,021.94/x
  3. Step 3: Cross multiply
    19,170.81x = 28,759.11 × 6,021.94
  4. Step 4: Simplify right side
    19,170.81x = 173,185,634.87
  5. Step 5: Solve for x
    x = 173,185,634.87/19,170.81
  6. Step 6: Final answer
    x = 9,033.82

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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.