Home / 13,195.99-19,792.77-3,838.47

Finding the Fourth Proportional to 13,195.99, 19,792.77 and 3,838.47

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Solution

The fourth proportional to 13,195.99, 19,792.77 and 3,838.47 is: 5,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.99 : 19,792.77 = 3,838.47 : x
  2. Step 2: Convert to fraction form
    13,195.99/19,792.77 = 3,838.47/x
  3. Step 3: Cross multiply
    13,195.99x = 19,792.77 × 3,838.47
  4. Step 4: Simplify right side
    13,195.99x = 75,973,953.86
  5. Step 5: Solve for x
    x = 75,973,953.86/13,195.99
  6. Step 6: Final answer
    x = 5,757.35

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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.