Home / 14,629.31-20,186.97-8,255.33

Finding the Fourth Proportional to 14,629.31, 20,186.97 and 8,255.33

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Solution

The fourth proportional to 14,629.31, 20,186.97 and 8,255.33 is: 11,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.31 : 20,186.97 = 8,255.33 : x
  2. Step 2: Convert to fraction form
    14,629.31/20,186.97 = 8,255.33/x
  3. Step 3: Cross multiply
    14,629.31x = 20,186.97 × 8,255.33
  4. Step 4: Simplify right side
    14,629.31x = 166,649,998.12
  5. Step 5: Solve for x
    x = 166,649,998.12/14,629.31
  6. Step 6: Final answer
    x = 11,391.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.