Home / 13,157.20-19,733.24-3,796.56

Finding the Fourth Proportional to 13,157.20, 19,733.24 and 3,796.56

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Solution

The fourth proportional to 13,157.20, 19,733.24 and 3,796.56 is: 5,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.20 : 19,733.24 = 3,796.56 : x
  2. Step 2: Convert to fraction form
    13,157.20/19,733.24 = 3,796.56/x
  3. Step 3: Cross multiply
    13,157.20x = 19,733.24 × 3,796.56
  4. Step 4: Simplify right side
    13,157.20x = 74,918,429.65
  5. Step 5: Solve for x
    x = 74,918,429.65/13,157.20
  6. Step 6: Final answer
    x = 5,694.10

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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.