Home / 23,825.78-32,879.52-13,217

Finding the Fourth Proportional to 23,825.78, 32,879.52 and 13,217

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Solution

The fourth proportional to 23,825.78, 32,879.52 and 13,217 is: 18,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,825.78 : 32,879.52 = 13,217 : x
  2. Step 2: Convert to fraction form
    23,825.78/32,879.52 = 13,217/x
  3. Step 3: Cross multiply
    23,825.78x = 32,879.52 × 13,217
  4. Step 4: Simplify right side
    23,825.78x = 434,568,615.84
  5. Step 5: Solve for x
    x = 434,568,615.84/23,825.78
  6. Step 6: Final answer
    x = 18,239.43

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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.