Home / 27,351.60-41,027.40-18,004.20

Finding the Fourth Proportional to 27,351.60, 41,027.40 and 18,004.20

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Solution

The fourth proportional to 27,351.60, 41,027.40 and 18,004.20 is: 27,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.60 : 41,027.40 = 18,004.20 : x
  2. Step 2: Convert to fraction form
    27,351.60/41,027.40 = 18,004.20/x
  3. Step 3: Cross multiply
    27,351.60x = 41,027.40 × 18,004.20
  4. Step 4: Simplify right side
    27,351.60x = 738,665,515.08
  5. Step 5: Solve for x
    x = 738,665,515.08/27,351.60
  6. Step 6: Final answer
    x = 27,006.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.