Home / 18,183.11-25,081.80-11,097.23

Finding the Fourth Proportional to 18,183.11, 25,081.80 and 11,097.23

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Solution

The fourth proportional to 18,183.11, 25,081.80 and 11,097.23 is: 15,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.11 : 25,081.80 = 11,097.23 : x
  2. Step 2: Convert to fraction form
    18,183.11/25,081.80 = 11,097.23/x
  3. Step 3: Cross multiply
    18,183.11x = 25,081.80 × 11,097.23
  4. Step 4: Simplify right side
    18,183.11x = 278,338,503.41
  5. Step 5: Solve for x
    x = 278,338,503.41/18,183.11
  6. Step 6: Final answer
    x = 15,307.53

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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.