Home / 13,175.85-19,766.68-3,816.23

Finding the Fourth Proportional to 13,175.85, 19,766.68 and 3,816.23

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Solution

The fourth proportional to 13,175.85, 19,766.68 and 3,816.23 is: 5,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.85 : 19,766.68 = 3,816.23 : x
  2. Step 2: Convert to fraction form
    13,175.85/19,766.68 = 3,816.23/x
  3. Step 3: Cross multiply
    13,175.85x = 19,766.68 × 3,816.23
  4. Step 4: Simplify right side
    13,175.85x = 75,434,197.22
  5. Step 5: Solve for x
    x = 75,434,197.22/13,175.85
  6. Step 6: Final answer
    x = 5,725.19

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1.5x scale

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.