Home / 27,677.44-38,194.86-15,102.19

Finding the Fourth Proportional to 27,677.44, 38,194.86 and 15,102.19

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Solution

The fourth proportional to 27,677.44, 38,194.86 and 15,102.19 is: 20,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.44 : 38,194.86 = 15,102.19 : x
  2. Step 2: Convert to fraction form
    27,677.44/38,194.86 = 15,102.19/x
  3. Step 3: Cross multiply
    27,677.44x = 38,194.86 × 15,102.19
  4. Step 4: Simplify right side
    27,677.44x = 576,825,993.89
  5. Step 5: Solve for x
    x = 576,825,993.89/27,677.44
  6. Step 6: Final answer
    x = 20,841.02

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Half scale
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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.