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Finding the Fourth Proportional to 14,469.16, 19,968.42 and 8,183.08

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Solution

The fourth proportional to 14,469.16, 19,968.42 and 8,183.08 is: 11,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.16 : 19,968.42 = 8,183.08 : x
  2. Step 2: Convert to fraction form
    14,469.16/19,968.42 = 8,183.08/x
  3. Step 3: Cross multiply
    14,469.16x = 19,968.42 × 8,183.08
  4. Step 4: Simplify right side
    14,469.16x = 163,403,178.33
  5. Step 5: Solve for x
    x = 163,403,178.33/14,469.16
  6. Step 6: Final answer
    x = 11,293.20

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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.