Home / 20,005.01-27,586.19-17,181.72

Finding the Fourth Proportional to 20,005.01, 27,586.19 and 17,181.72

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Solution

The fourth proportional to 20,005.01, 27,586.19 and 17,181.72 is: 23,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.01 : 27,586.19 = 17,181.72 : x
  2. Step 2: Convert to fraction form
    20,005.01/27,586.19 = 17,181.72/x
  3. Step 3: Cross multiply
    20,005.01x = 27,586.19 × 17,181.72
  4. Step 4: Simplify right side
    20,005.01x = 473,978,138.75
  5. Step 5: Solve for x
    x = 473,978,138.75/20,005.01
  6. Step 6: Final answer
    x = 23,692.97

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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.