Home / 18,825.54-28,233.56-7,735.29

Finding the Fourth Proportional to 18,825.54, 28,233.56 and 7,735.29

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Solution

The fourth proportional to 18,825.54, 28,233.56 and 7,735.29 is: 11,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.54 : 28,233.56 = 7,735.29 : x
  2. Step 2: Convert to fraction form
    18,825.54/28,233.56 = 7,735.29/x
  3. Step 3: Cross multiply
    18,825.54x = 28,233.56 × 7,735.29
  4. Step 4: Simplify right side
    18,825.54x = 218,394,633.16
  5. Step 5: Solve for x
    x = 218,394,633.16/18,825.54
  6. Step 6: Final answer
    x = 11,600.98

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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.