Home / 20,125.22-27,768.60-11,627.19

Finding the Fourth Proportional to 20,125.22, 27,768.60 and 11,627.19

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Solution

The fourth proportional to 20,125.22, 27,768.60 and 11,627.19 is: 16,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.22 : 27,768.60 = 11,627.19 : x
  2. Step 2: Convert to fraction form
    20,125.22/27,768.60 = 11,627.19/x
  3. Step 3: Cross multiply
    20,125.22x = 27,768.60 × 11,627.19
  4. Step 4: Simplify right side
    20,125.22x = 322,870,788.23
  5. Step 5: Solve for x
    x = 322,870,788.23/20,125.22
  6. Step 6: Final answer
    x = 16,043.10

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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.