Home / 20,054.38-27,675.94-11,101.72

Finding the Fourth Proportional to 20,054.38, 27,675.94 and 11,101.72

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Solution

The fourth proportional to 20,054.38, 27,675.94 and 11,101.72 is: 15,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.38 : 27,675.94 = 11,101.72 : x
  2. Step 2: Convert to fraction form
    20,054.38/27,675.94 = 11,101.72/x
  3. Step 3: Cross multiply
    20,054.38x = 27,675.94 × 11,101.72
  4. Step 4: Simplify right side
    20,054.38x = 307,250,536.62
  5. Step 5: Solve for x
    x = 307,250,536.62/20,054.38
  6. Step 6: Final answer
    x = 15,320.87

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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.