Home / 13,119.23-19,673.04-3,757.12

Finding the Fourth Proportional to 13,119.23, 19,673.04 and 3,757.12

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Solution

The fourth proportional to 13,119.23, 19,673.04 and 3,757.12 is: 5,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.23 : 19,673.04 = 3,757.12 : x
  2. Step 2: Convert to fraction form
    13,119.23/19,673.04 = 3,757.12/x
  3. Step 3: Cross multiply
    13,119.23x = 19,673.04 × 3,757.12
  4. Step 4: Simplify right side
    13,119.23x = 73,913,972.04
  5. Step 5: Solve for x
    x = 73,913,972.04/13,119.23
  6. Step 6: Final answer
    x = 5,634.02

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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.