Home / 17,087.60-25,636.20-7,231.60

Finding the Fourth Proportional to 17,087.60, 25,636.20 and 7,231.60

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Solution

The fourth proportional to 17,087.60, 25,636.20 and 7,231.60 is: 10,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.60 : 25,636.20 = 7,231.60 : x
  2. Step 2: Convert to fraction form
    17,087.60/25,636.20 = 7,231.60/x
  3. Step 3: Cross multiply
    17,087.60x = 25,636.20 × 7,231.60
  4. Step 4: Simplify right side
    17,087.60x = 185,390,743.92
  5. Step 5: Solve for x
    x = 185,390,743.92/17,087.60
  6. Step 6: Final answer
    x = 10,849.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.