Home / 20,204.16-27,882.60-11,251.32

Finding the Fourth Proportional to 20,204.16, 27,882.60 and 11,251.32

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Solution

The fourth proportional to 20,204.16, 27,882.60 and 11,251.32 is: 15,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.16 : 27,882.60 = 11,251.32 : x
  2. Step 2: Convert to fraction form
    20,204.16/27,882.60 = 11,251.32/x
  3. Step 3: Cross multiply
    20,204.16x = 27,882.60 × 11,251.32
  4. Step 4: Simplify right side
    20,204.16x = 313,716,055.03
  5. Step 5: Solve for x
    x = 313,716,055.03/20,204.16
  6. Step 6: Final answer
    x = 15,527.30

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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.