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Finding the Fourth Proportional to 14,354.76, 19,811.39 and 8,067.13

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Solution

The fourth proportional to 14,354.76, 19,811.39 and 8,067.13 is: 11,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.76 : 19,811.39 = 8,067.13 : x
  2. Step 2: Convert to fraction form
    14,354.76/19,811.39 = 8,067.13/x
  3. Step 3: Cross multiply
    14,354.76x = 19,811.39 × 8,067.13
  4. Step 4: Simplify right side
    14,354.76x = 159,821,058.61
  5. Step 5: Solve for x
    x = 159,821,058.61/14,354.76
  6. Step 6: Final answer
    x = 11,133.66

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Half scale
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Double scale
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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.