Home / 19,131.94-28,697.91-5,984.38

Finding the Fourth Proportional to 19,131.94, 28,697.91 and 5,984.38

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Solution

The fourth proportional to 19,131.94, 28,697.91 and 5,984.38 is: 8,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.94 : 28,697.91 = 5,984.38 : x
  2. Step 2: Convert to fraction form
    19,131.94/28,697.91 = 5,984.38/x
  3. Step 3: Cross multiply
    19,131.94x = 28,697.91 × 5,984.38
  4. Step 4: Simplify right side
    19,131.94x = 171,739,198.65
  5. Step 5: Solve for x
    x = 171,739,198.65/19,131.94
  6. Step 6: Final answer
    x = 8,976.57

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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.