Home / 20,244.66-27,936.63-11,292.90

Finding the Fourth Proportional to 20,244.66, 27,936.63 and 11,292.90

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Solution

The fourth proportional to 20,244.66, 27,936.63 and 11,292.90 is: 15,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.66 : 27,936.63 = 11,292.90 : x
  2. Step 2: Convert to fraction form
    20,244.66/27,936.63 = 11,292.90/x
  3. Step 3: Cross multiply
    20,244.66x = 27,936.63 × 11,292.90
  4. Step 4: Simplify right side
    20,244.66x = 315,485,568.93
  5. Step 5: Solve for x
    x = 315,485,568.93/20,244.66
  6. Step 6: Final answer
    x = 15,583.64

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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.