Home / 20,040.14-27,664.23-11,976.63

Finding the Fourth Proportional to 20,040.14, 27,664.23 and 11,976.63

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Solution

The fourth proportional to 20,040.14, 27,664.23 and 11,976.63 is: 16,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.14 : 27,664.23 = 11,976.63 : x
  2. Step 2: Convert to fraction form
    20,040.14/27,664.23 = 11,976.63/x
  3. Step 3: Cross multiply
    20,040.14x = 27,664.23 × 11,976.63
  4. Step 4: Simplify right side
    20,040.14x = 331,324,188.12
  5. Step 5: Solve for x
    x = 331,324,188.12/20,040.14
  6. Step 6: Final answer
    x = 16,533.03

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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.