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Finding the Fourth Proportional to 19,067, 26,314.08 and 10,685.12

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Solution

The fourth proportional to 19,067, 26,314.08 and 10,685.12 is: 14,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067 : 26,314.08 = 10,685.12 : x
  2. Step 2: Convert to fraction form
    19,067/26,314.08 = 10,685.12/x
  3. Step 3: Cross multiply
    19,067x = 26,314.08 × 10,685.12
  4. Step 4: Simplify right side
    19,067x = 281,169,102.49
  5. Step 5: Solve for x
    x = 281,169,102.49/19,067
  6. Step 6: Final answer
    x = 14,746.37

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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.