Home / 13,767.24-20,743.42-12,452.48

Finding the Fourth Proportional to 13,767.24, 20,743.42 and 12,452.48

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Solution

The fourth proportional to 13,767.24, 20,743.42 and 12,452.48 is: 18,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.24 : 20,743.42 = 12,452.48 : x
  2. Step 2: Convert to fraction form
    13,767.24/20,743.42 = 12,452.48/x
  3. Step 3: Cross multiply
    13,767.24x = 20,743.42 × 12,452.48
  4. Step 4: Simplify right side
    13,767.24x = 258,307,022.68
  5. Step 5: Solve for x
    x = 258,307,022.68/13,767.24
  6. Step 6: Final answer
    x = 18,762.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.