Home / 18,258.92-25,191.42-14,418.37

Finding the Fourth Proportional to 18,258.92, 25,191.42 and 14,418.37

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Solution

The fourth proportional to 18,258.92, 25,191.42 and 14,418.37 is: 19,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.92 : 25,191.42 = 14,418.37 : x
  2. Step 2: Convert to fraction form
    18,258.92/25,191.42 = 14,418.37/x
  3. Step 3: Cross multiply
    18,258.92x = 25,191.42 × 14,418.37
  4. Step 4: Simplify right side
    18,258.92x = 363,219,214.39
  5. Step 5: Solve for x
    x = 363,219,214.39/18,258.92
  6. Step 6: Final answer
    x = 19,892.70

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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.