Home / 13,379.96-20,072.24-4,496.15

Finding the Fourth Proportional to 13,379.96, 20,072.24 and 4,496.15

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Solution

The fourth proportional to 13,379.96, 20,072.24 and 4,496.15 is: 6,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.96 : 20,072.24 = 4,496.15 : x
  2. Step 2: Convert to fraction form
    13,379.96/20,072.24 = 4,496.15/x
  3. Step 3: Cross multiply
    13,379.96x = 20,072.24 × 4,496.15
  4. Step 4: Simplify right side
    13,379.96x = 90,247,712.76
  5. Step 5: Solve for x
    x = 90,247,712.76/13,379.96
  6. Step 6: Final answer
    x = 6,744.99

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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.