Home / 20,027.04-27,636.21-11,074.02

Finding the Fourth Proportional to 20,027.04, 27,636.21 and 11,074.02

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Solution

The fourth proportional to 20,027.04, 27,636.21 and 11,074.02 is: 15,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.04 : 27,636.21 = 11,074.02 : x
  2. Step 2: Convert to fraction form
    20,027.04/27,636.21 = 11,074.02/x
  3. Step 3: Cross multiply
    20,027.04x = 27,636.21 × 11,074.02
  4. Step 4: Simplify right side
    20,027.04x = 306,043,942.26
  5. Step 5: Solve for x
    x = 306,043,942.26/20,027.04
  6. Step 6: Final answer
    x = 15,281.54

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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.