Home / 27,770.14-38,322.83-15,194.89

Finding the Fourth Proportional to 27,770.14, 38,322.83 and 15,194.89

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Solution

The fourth proportional to 27,770.14, 38,322.83 and 15,194.89 is: 20,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.14 : 38,322.83 = 15,194.89 : x
  2. Step 2: Convert to fraction form
    27,770.14/38,322.83 = 15,194.89/x
  3. Step 3: Cross multiply
    27,770.14x = 38,322.83 × 15,194.89
  4. Step 4: Simplify right side
    27,770.14x = 582,310,918.75
  5. Step 5: Solve for x
    x = 582,310,918.75/27,770.14
  6. Step 6: Final answer
    x = 20,968.96

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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.