Home / 20,027.55-27,636.91-11,074.52

Finding the Fourth Proportional to 20,027.55, 27,636.91 and 11,074.52

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Solution

The fourth proportional to 20,027.55, 27,636.91 and 11,074.52 is: 15,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.55 : 27,636.91 = 11,074.52 : x
  2. Step 2: Convert to fraction form
    20,027.55/27,636.91 = 11,074.52/x
  3. Step 3: Cross multiply
    20,027.55x = 27,636.91 × 11,074.52
  4. Step 4: Simplify right side
    20,027.55x = 306,065,512.53
  5. Step 5: Solve for x
    x = 306,065,512.53/20,027.55
  6. Step 6: Final answer
    x = 15,282.22

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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.