Home / 20,076.37-27,709.25-11,583.97

Finding the Fourth Proportional to 20,076.37, 27,709.25 and 11,583.97

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Solution

The fourth proportional to 20,076.37, 27,709.25 and 11,583.97 is: 15,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.37 : 27,709.25 = 11,583.97 : x
  2. Step 2: Convert to fraction form
    20,076.37/27,709.25 = 11,583.97/x
  3. Step 3: Cross multiply
    20,076.37x = 27,709.25 × 11,583.97
  4. Step 4: Simplify right side
    20,076.37x = 320,983,120.72
  5. Step 5: Solve for x
    x = 320,983,120.72/20,076.37
  6. Step 6: Final answer
    x = 15,988.11

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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.