Home / 20,125.35-27,774.27-11,627.83

Finding the Fourth Proportional to 20,125.35, 27,774.27 and 11,627.83

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Solution

The fourth proportional to 20,125.35, 27,774.27 and 11,627.83 is: 16,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.35 : 27,774.27 = 11,627.83 : x
  2. Step 2: Convert to fraction form
    20,125.35/27,774.27 = 11,627.83/x
  3. Step 3: Cross multiply
    20,125.35x = 27,774.27 × 11,627.83
  4. Step 4: Simplify right side
    20,125.35x = 322,954,489.93
  5. Step 5: Solve for x
    x = 322,954,489.93/20,125.35
  6. Step 6: Final answer
    x = 16,047.15

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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.