Home / 20,020.24-27,627.78-11,068.12

Finding the Fourth Proportional to 20,020.24, 27,627.78 and 11,068.12

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Solution

The fourth proportional to 20,020.24, 27,627.78 and 11,068.12 is: 15,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.24 : 27,627.78 = 11,068.12 : x
  2. Step 2: Convert to fraction form
    20,020.24/27,627.78 = 11,068.12/x
  3. Step 3: Cross multiply
    20,020.24x = 27,627.78 × 11,068.12
  4. Step 4: Simplify right side
    20,020.24x = 305,787,584.37
  5. Step 5: Solve for x
    x = 305,787,584.37/20,020.24
  6. Step 6: Final answer
    x = 15,273.92

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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.