Home / 25,734.24-35,520.21-15,127.29

Finding the Fourth Proportional to 25,734.24, 35,520.21 and 15,127.29

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Solution

The fourth proportional to 25,734.24, 35,520.21 and 15,127.29 is: 20,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.24 : 35,520.21 = 15,127.29 : x
  2. Step 2: Convert to fraction form
    25,734.24/35,520.21 = 15,127.29/x
  3. Step 3: Cross multiply
    25,734.24x = 35,520.21 × 15,127.29
  4. Step 4: Simplify right side
    25,734.24x = 537,324,517.53
  5. Step 5: Solve for x
    x = 537,324,517.53/25,734.24
  6. Step 6: Final answer
    x = 20,879.75

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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.