Home / 20,204.44-27,883.38-11,253.40

Finding the Fourth Proportional to 20,204.44, 27,883.38 and 11,253.40

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Solution

The fourth proportional to 20,204.44, 27,883.38 and 11,253.40 is: 15,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.44 : 27,883.38 = 11,253.40 : x
  2. Step 2: Convert to fraction form
    20,204.44/27,883.38 = 11,253.40/x
  3. Step 3: Cross multiply
    20,204.44x = 27,883.38 × 11,253.40
  4. Step 4: Simplify right side
    20,204.44x = 313,782,828.49
  5. Step 5: Solve for x
    x = 313,782,828.49/20,204.44
  6. Step 6: Final answer
    x = 15,530.39

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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.