Home / 25,739.46-35,517.15-15,125.22

Finding the Fourth Proportional to 25,739.46, 35,517.15 and 15,125.22

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Solution

The fourth proportional to 25,739.46, 35,517.15 and 15,125.22 is: 20,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.46 : 35,517.15 = 15,125.22 : x
  2. Step 2: Convert to fraction form
    25,739.46/35,517.15 = 15,125.22/x
  3. Step 3: Cross multiply
    25,739.46x = 35,517.15 × 15,125.22
  4. Step 4: Simplify right side
    25,739.46x = 537,204,707.52
  5. Step 5: Solve for x
    x = 537,204,707.52/25,739.46
  6. Step 6: Final answer
    x = 20,870.86

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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.