Home / 18,081.57-24,949.56-11,362.42

Finding the Fourth Proportional to 18,081.57, 24,949.56 and 11,362.42

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Solution

The fourth proportional to 18,081.57, 24,949.56 and 11,362.42 is: 15,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.57 : 24,949.56 = 11,362.42 : x
  2. Step 2: Convert to fraction form
    18,081.57/24,949.56 = 11,362.42/x
  3. Step 3: Cross multiply
    18,081.57x = 24,949.56 × 11,362.42
  4. Step 4: Simplify right side
    18,081.57x = 283,487,379.54
  5. Step 5: Solve for x
    x = 283,487,379.54/18,081.57
  6. Step 6: Final answer
    x = 15,678.25

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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.