Home / 19,163.14-28,747.76-6,012.40

Finding the Fourth Proportional to 19,163.14, 28,747.76 and 6,012.40

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Solution

The fourth proportional to 19,163.14, 28,747.76 and 6,012.40 is: 9,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.14 : 28,747.76 = 6,012.40 : x
  2. Step 2: Convert to fraction form
    19,163.14/28,747.76 = 6,012.40/x
  3. Step 3: Cross multiply
    19,163.14x = 28,747.76 × 6,012.40
  4. Step 4: Simplify right side
    19,163.14x = 172,843,032.22
  5. Step 5: Solve for x
    x = 172,843,032.22/19,163.14
  6. Step 6: Final answer
    x = 9,019.56

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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.