Home / 20,005.36-27,606.13-11,052.43

Finding the Fourth Proportional to 20,005.36, 27,606.13 and 11,052.43

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Solution

The fourth proportional to 20,005.36, 27,606.13 and 11,052.43 is: 15,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.36 : 27,606.13 = 11,052.43 : x
  2. Step 2: Convert to fraction form
    20,005.36/27,606.13 = 11,052.43/x
  3. Step 3: Cross multiply
    20,005.36x = 27,606.13 × 11,052.43
  4. Step 4: Simplify right side
    20,005.36x = 305,114,819.40
  5. Step 5: Solve for x
    x = 305,114,819.40/20,005.36
  6. Step 6: Final answer
    x = 15,251.65

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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.