Home / 13,362.35-20,037.87-4,003.70

Finding the Fourth Proportional to 13,362.35, 20,037.87 and 4,003.70

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Solution

The fourth proportional to 13,362.35, 20,037.87 and 4,003.70 is: 6,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.35 : 20,037.87 = 4,003.70 : x
  2. Step 2: Convert to fraction form
    13,362.35/20,037.87 = 4,003.70/x
  3. Step 3: Cross multiply
    13,362.35x = 20,037.87 × 4,003.70
  4. Step 4: Simplify right side
    13,362.35x = 80,225,519.93
  5. Step 5: Solve for x
    x = 80,225,519.93/13,362.35
  6. Step 6: Final answer
    x = 6,003.85

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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.