Home / 18,728.19-25,844.94-10,230.39

Finding the Fourth Proportional to 18,728.19, 25,844.94 and 10,230.39

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Solution

The fourth proportional to 18,728.19, 25,844.94 and 10,230.39 is: 14,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.19 : 25,844.94 = 10,230.39 : x
  2. Step 2: Convert to fraction form
    18,728.19/25,844.94 = 10,230.39/x
  3. Step 3: Cross multiply
    18,728.19x = 25,844.94 × 10,230.39
  4. Step 4: Simplify right side
    18,728.19x = 264,403,815.73
  5. Step 5: Solve for x
    x = 264,403,815.73/18,728.19
  6. Step 6: Final answer
    x = 14,117.96

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Half 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.