Home / 20,262.52-27,968.25-11,766.70

Finding the Fourth Proportional to 20,262.52, 27,968.25 and 11,766.70

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Solution

The fourth proportional to 20,262.52, 27,968.25 and 11,766.70 is: 16,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.52 : 27,968.25 = 11,766.70 : x
  2. Step 2: Convert to fraction form
    20,262.52/27,968.25 = 11,766.70/x
  3. Step 3: Cross multiply
    20,262.52x = 27,968.25 × 11,766.70
  4. Step 4: Simplify right side
    20,262.52x = 329,094,007.28
  5. Step 5: Solve for x
    x = 329,094,007.28/20,262.52
  6. Step 6: Final answer
    x = 16,241.51

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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.