Home / 13,682.46-20,527.17-3,821.76

Finding the Fourth Proportional to 13,682.46, 20,527.17 and 3,821.76

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Solution

The fourth proportional to 13,682.46, 20,527.17 and 3,821.76 is: 5,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.46 : 20,527.17 = 3,821.76 : x
  2. Step 2: Convert to fraction form
    13,682.46/20,527.17 = 3,821.76/x
  3. Step 3: Cross multiply
    13,682.46x = 20,527.17 × 3,821.76
  4. Step 4: Simplify right side
    13,682.46x = 78,449,917.22
  5. Step 5: Solve for x
    x = 78,449,917.22/13,682.46
  6. Step 6: Final answer
    x = 5,733.61

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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.