Home / 20,078.27-27,707.58-11,125.23

Finding the Fourth Proportional to 20,078.27, 27,707.58 and 11,125.23

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Solution

The fourth proportional to 20,078.27, 27,707.58 and 11,125.23 is: 15,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078.27 : 27,707.58 = 11,125.23 : x
  2. Step 2: Convert to fraction form
    20,078.27/27,707.58 = 11,125.23/x
  3. Step 3: Cross multiply
    20,078.27x = 27,707.58 × 11,125.23
  4. Step 4: Simplify right side
    20,078.27x = 308,253,200.24
  5. Step 5: Solve for x
    x = 308,253,200.24/20,078.27
  6. Step 6: Final answer
    x = 15,352.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.