Home / 25,850.52-35,720.58-20,199.96

Finding the Fourth Proportional to 25,850.52, 35,720.58 and 20,199.96

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Solution

The fourth proportional to 25,850.52, 35,720.58 and 20,199.96 is: 27,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.52 : 35,720.58 = 20,199.96 : x
  2. Step 2: Convert to fraction form
    25,850.52/35,720.58 = 20,199.96/x
  3. Step 3: Cross multiply
    25,850.52x = 35,720.58 × 20,199.96
  4. Step 4: Simplify right side
    25,850.52x = 721,554,287.18
  5. Step 5: Solve for x
    x = 721,554,287.18/25,850.52
  6. Step 6: Final answer
    x = 27,912.56

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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.