Home / 20,003.60-27,584.22-17,180.30

Finding the Fourth Proportional to 20,003.60, 27,584.22 and 17,180.30

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Solution

The fourth proportional to 20,003.60, 27,584.22 and 17,180.30 is: 23,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.60 : 27,584.22 = 17,180.30 : x
  2. Step 2: Convert to fraction form
    20,003.60/27,584.22 = 17,180.30/x
  3. Step 3: Cross multiply
    20,003.60x = 27,584.22 × 17,180.30
  4. Step 4: Simplify right side
    20,003.60x = 473,905,174.87
  5. Step 5: Solve for x
    x = 473,905,174.87/20,003.60
  6. Step 6: Final answer
    x = 23,690.99

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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.