Home / 13,635.32-20,463.91-7,063.38

Finding the Fourth Proportional to 13,635.32, 20,463.91 and 7,063.38

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Solution

The fourth proportional to 13,635.32, 20,463.91 and 7,063.38 is: 10,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.32 : 20,463.91 = 7,063.38 : x
  2. Step 2: Convert to fraction form
    13,635.32/20,463.91 = 7,063.38/x
  3. Step 3: Cross multiply
    13,635.32x = 20,463.91 × 7,063.38
  4. Step 4: Simplify right side
    13,635.32x = 144,544,372.62
  5. Step 5: Solve for x
    x = 144,544,372.62/13,635.32
  6. Step 6: Final answer
    x = 10,600.73

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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.