Home / 18,310.40-27,465.44-5,162.68

Finding the Fourth Proportional to 18,310.40, 27,465.44 and 5,162.68

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Solution

The fourth proportional to 18,310.40, 27,465.44 and 5,162.68 is: 7,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.40 : 27,465.44 = 5,162.68 : x
  2. Step 2: Convert to fraction form
    18,310.40/27,465.44 = 5,162.68/x
  3. Step 3: Cross multiply
    18,310.40x = 27,465.44 × 5,162.68
  4. Step 4: Simplify right side
    18,310.40x = 141,795,277.78
  5. Step 5: Solve for x
    x = 141,795,277.78/18,310.40
  6. Step 6: Final answer
    x = 7,743.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.