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Finding the Fourth Proportional to 16,653.60, 22,968.36 and 11,940.48

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Solution

The fourth proportional to 16,653.60, 22,968.36 and 11,940.48 is: 16,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.60 : 22,968.36 = 11,940.48 : x
  2. Step 2: Convert to fraction form
    16,653.60/22,968.36 = 11,940.48/x
  3. Step 3: Cross multiply
    16,653.60x = 22,968.36 × 11,940.48
  4. Step 4: Simplify right side
    16,653.60x = 274,253,243.21
  5. Step 5: Solve for x
    x = 274,253,243.21/16,653.60
  6. Step 6: Final answer
    x = 16,468.11

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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.