Home / 13,824.47-20,734.92-6,325.85

Finding the Fourth Proportional to 13,824.47, 20,734.92 and 6,325.85

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Solution

The fourth proportional to 13,824.47, 20,734.92 and 6,325.85 is: 9,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.47 : 20,734.92 = 6,325.85 : x
  2. Step 2: Convert to fraction form
    13,824.47/20,734.92 = 6,325.85/x
  3. Step 3: Cross multiply
    13,824.47x = 20,734.92 × 6,325.85
  4. Step 4: Simplify right side
    13,824.47x = 131,165,890.01
  5. Step 5: Solve for x
    x = 131,165,890.01/13,824.47
  6. Step 6: Final answer
    x = 9,487.95

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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.