Home / 13,183.31-19,775.16-4,865.28

Finding the Fourth Proportional to 13,183.31, 19,775.16 and 4,865.28

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Solution

The fourth proportional to 13,183.31, 19,775.16 and 4,865.28 is: 7,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.31 : 19,775.16 = 4,865.28 : x
  2. Step 2: Convert to fraction form
    13,183.31/19,775.16 = 4,865.28/x
  3. Step 3: Cross multiply
    13,183.31x = 19,775.16 × 4,865.28
  4. Step 4: Simplify right side
    13,183.31x = 96,211,690.44
  5. Step 5: Solve for x
    x = 96,211,690.44/13,183.31
  6. Step 6: Final answer
    x = 7,297.99

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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.