Home / 19,183.72-28,805.82-11,310.52

Finding the Fourth Proportional to 19,183.72, 28,805.82 and 11,310.52

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Solution

The fourth proportional to 19,183.72, 28,805.82 and 11,310.52 is: 16,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.72 : 28,805.82 = 11,310.52 : x
  2. Step 2: Convert to fraction form
    19,183.72/28,805.82 = 11,310.52/x
  3. Step 3: Cross multiply
    19,183.72x = 28,805.82 × 11,310.52
  4. Step 4: Simplify right side
    19,183.72x = 325,808,803.23
  5. Step 5: Solve for x
    x = 325,808,803.23/19,183.72
  6. Step 6: Final answer
    x = 16,983.61

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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.