Home / 19,183.44-28,775.16-7,338.42

Finding the Fourth Proportional to 19,183.44, 28,775.16 and 7,338.42

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Solution

The fourth proportional to 19,183.44, 28,775.16 and 7,338.42 is: 11,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.44 : 28,775.16 = 7,338.42 : x
  2. Step 2: Convert to fraction form
    19,183.44/28,775.16 = 7,338.42/x
  3. Step 3: Cross multiply
    19,183.44x = 28,775.16 × 7,338.42
  4. Step 4: Simplify right side
    19,183.44x = 211,164,209.65
  5. Step 5: Solve for x
    x = 211,164,209.65/19,183.44
  6. Step 6: Final answer
    x = 11,007.63

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1.5x scale

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.