Home / 20,241.74-27,930.66-11,626.76

Finding the Fourth Proportional to 20,241.74, 27,930.66 and 11,626.76

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Solution

The fourth proportional to 20,241.74, 27,930.66 and 11,626.76 is: 16,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.74 : 27,930.66 = 11,626.76 : x
  2. Step 2: Convert to fraction form
    20,241.74/27,930.66 = 11,626.76/x
  3. Step 3: Cross multiply
    20,241.74x = 27,930.66 × 11,626.76
  4. Step 4: Simplify right side
    20,241.74x = 324,743,080.46
  5. Step 5: Solve for x
    x = 324,743,080.46/20,241.74
  6. Step 6: Final answer
    x = 16,043.24

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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.