Home / 13,599.96-20,396.58-3,738.76

Finding the Fourth Proportional to 13,599.96, 20,396.58 and 3,738.76

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Solution

The fourth proportional to 13,599.96, 20,396.58 and 3,738.76 is: 5,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.96 : 20,396.58 = 3,738.76 : x
  2. Step 2: Convert to fraction form
    13,599.96/20,396.58 = 3,738.76/x
  3. Step 3: Cross multiply
    13,599.96x = 20,396.58 × 3,738.76
  4. Step 4: Simplify right side
    13,599.96x = 76,257,917.44
  5. Step 5: Solve for x
    x = 76,257,917.44/13,599.96
  6. Step 6: Final answer
    x = 5,607.22

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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.