Home / 20,062.26-27,684.90-11,109.60

Finding the Fourth Proportional to 20,062.26, 27,684.90 and 11,109.60

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Solution

The fourth proportional to 20,062.26, 27,684.90 and 11,109.60 is: 15,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.26 : 27,684.90 = 11,109.60 : x
  2. Step 2: Convert to fraction form
    20,062.26/27,684.90 = 11,109.60/x
  3. Step 3: Cross multiply
    20,062.26x = 27,684.90 × 11,109.60
  4. Step 4: Simplify right side
    20,062.26x = 307,568,165.04
  5. Step 5: Solve for x
    x = 307,568,165.04/20,062.26
  6. Step 6: Final answer
    x = 15,330.68

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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.