Home / 13,175.90-19,764.87-3,816.05

Finding the Fourth Proportional to 13,175.90, 19,764.87 and 3,816.05

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Solution

The fourth proportional to 13,175.90, 19,764.87 and 3,816.05 is: 5,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.90 : 19,764.87 = 3,816.05 : x
  2. Step 2: Convert to fraction form
    13,175.90/19,764.87 = 3,816.05/x
  3. Step 3: Cross multiply
    13,175.90x = 19,764.87 × 3,816.05
  4. Step 4: Simplify right side
    13,175.90x = 75,423,732.16
  5. Step 5: Solve for x
    x = 75,423,732.16/13,175.90
  6. Step 6: Final answer
    x = 5,724.37

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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.