Home / 20,055.24-27,676.26-11,994.12

Finding the Fourth Proportional to 20,055.24, 27,676.26 and 11,994.12

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Solution

The fourth proportional to 20,055.24, 27,676.26 and 11,994.12 is: 16,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.24 : 27,676.26 = 11,994.12 : x
  2. Step 2: Convert to fraction form
    20,055.24/27,676.26 = 11,994.12/x
  3. Step 3: Cross multiply
    20,055.24x = 27,676.26 × 11,994.12
  4. Step 4: Simplify right side
    20,055.24x = 331,952,383.59
  5. Step 5: Solve for x
    x = 331,952,383.59/20,055.24
  6. Step 6: Final answer
    x = 16,551.90

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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.