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Finding the Fourth Proportional to 14,366.75, 19,825.92 and 8,079.14

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Solution

The fourth proportional to 14,366.75, 19,825.92 and 8,079.14 is: 11,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.75 : 19,825.92 = 8,079.14 : x
  2. Step 2: Convert to fraction form
    14,366.75/19,825.92 = 8,079.14/x
  3. Step 3: Cross multiply
    14,366.75x = 19,825.92 × 8,079.14
  4. Step 4: Simplify right side
    14,366.75x = 160,176,383.31
  5. Step 5: Solve for x
    x = 160,176,383.31/14,366.75
  6. Step 6: Final answer
    x = 11,149.10

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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.