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Finding the Fourth Proportional to 18,460.14, 25,481.07 and 14,690.22

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Solution

The fourth proportional to 18,460.14, 25,481.07 and 14,690.22 is: 20,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.14 : 25,481.07 = 14,690.22 : x
  2. Step 2: Convert to fraction form
    18,460.14/25,481.07 = 14,690.22/x
  3. Step 3: Cross multiply
    18,460.14x = 25,481.07 × 14,690.22
  4. Step 4: Simplify right side
    18,460.14x = 374,322,524.14
  5. Step 5: Solve for x
    x = 374,322,524.14/18,460.14
  6. Step 6: Final answer
    x = 20,277.34

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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.