Home / 18,640.81-27,944.68-6,792.38

Finding the Fourth Proportional to 18,640.81, 27,944.68 and 6,792.38

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Solution

The fourth proportional to 18,640.81, 27,944.68 and 6,792.38 is: 10,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.81 : 27,944.68 = 6,792.38 : x
  2. Step 2: Convert to fraction form
    18,640.81/27,944.68 = 6,792.38/x
  3. Step 3: Cross multiply
    18,640.81x = 27,944.68 × 6,792.38
  4. Step 4: Simplify right side
    18,640.81x = 189,810,885.54
  5. Step 5: Solve for x
    x = 189,810,885.54/18,640.81
  6. Step 6: Final answer
    x = 10,182.54

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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.