Home / 13,846.63-20,767.70-3,983.67

Finding the Fourth Proportional to 13,846.63, 20,767.70 and 3,983.67

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Solution

The fourth proportional to 13,846.63, 20,767.70 and 3,983.67 is: 5,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.63 : 20,767.70 = 3,983.67 : x
  2. Step 2: Convert to fraction form
    13,846.63/20,767.70 = 3,983.67/x
  3. Step 3: Cross multiply
    13,846.63x = 20,767.70 × 3,983.67
  4. Step 4: Simplify right side
    13,846.63x = 82,731,539.70
  5. Step 5: Solve for x
    x = 82,731,539.70/13,846.63
  6. Step 6: Final answer
    x = 5,974.85

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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.