Home / 20,058.21-27,687.60-11,674.71

Finding the Fourth Proportional to 20,058.21, 27,687.60 and 11,674.71

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Solution

The fourth proportional to 20,058.21, 27,687.60 and 11,674.71 is: 16,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.21 : 27,687.60 = 11,674.71 : x
  2. Step 2: Convert to fraction form
    20,058.21/27,687.60 = 11,674.71/x
  3. Step 3: Cross multiply
    20,058.21x = 27,687.60 × 11,674.71
  4. Step 4: Simplify right side
    20,058.21x = 323,244,700.60
  5. Step 5: Solve for x
    x = 323,244,700.60/20,058.21
  6. Step 6: Final answer
    x = 16,115.33

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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.