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Finding the Fourth Proportional to 14,355.25, 19,812.11 and 8,067.63

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Solution

The fourth proportional to 14,355.25, 19,812.11 and 8,067.63 is: 11,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.25 : 19,812.11 = 8,067.63 : x
  2. Step 2: Convert to fraction form
    14,355.25/19,812.11 = 8,067.63/x
  3. Step 3: Cross multiply
    14,355.25x = 19,812.11 × 8,067.63
  4. Step 4: Simplify right side
    14,355.25x = 159,836,773.00
  5. Step 5: Solve for x
    x = 159,836,773.00/14,355.25
  6. Step 6: Final answer
    x = 11,134.38

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Half scale
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Double scale
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Similar ratio
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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.