Home / 23,388.61-32,277.17-12,778.33

Finding the Fourth Proportional to 23,388.61, 32,277.17 and 12,778.33

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Solution

The fourth proportional to 23,388.61, 32,277.17 and 12,778.33 is: 17,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.61 : 32,277.17 = 12,778.33 : x
  2. Step 2: Convert to fraction form
    23,388.61/32,277.17 = 12,778.33/x
  3. Step 3: Cross multiply
    23,388.61x = 32,277.17 × 12,778.33
  4. Step 4: Simplify right side
    23,388.61x = 412,448,329.73
  5. Step 5: Solve for x
    x = 412,448,329.73/23,388.61
  6. Step 6: Final answer
    x = 17,634.58

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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.