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Finding the Fourth Proportional to 15,998.92, 22,076.76 and 11,275

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Solution

The fourth proportional to 15,998.92, 22,076.76 and 11,275 is: 15,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.92 : 22,076.76 = 11,275 : x
  2. Step 2: Convert to fraction form
    15,998.92/22,076.76 = 11,275/x
  3. Step 3: Cross multiply
    15,998.92x = 22,076.76 × 11,275
  4. Step 4: Simplify right side
    15,998.92x = 248,915,469.00
  5. Step 5: Solve for x
    x = 248,915,469.00/15,998.92
  6. Step 6: Final answer
    x = 15,558.27

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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.