Home / 13,599.96-20,396.72-3,740.04

Finding the Fourth Proportional to 13,599.96, 20,396.72 and 3,740.04

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Solution

The fourth proportional to 13,599.96, 20,396.72 and 3,740.04 is: 5,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.96 : 20,396.72 = 3,740.04 : x
  2. Step 2: Convert to fraction form
    13,599.96/20,396.72 = 3,740.04/x
  3. Step 3: Cross multiply
    13,599.96x = 20,396.72 × 3,740.04
  4. Step 4: Simplify right side
    13,599.96x = 76,284,548.67
  5. Step 5: Solve for x
    x = 76,284,548.67/13,599.96
  6. Step 6: Final answer
    x = 5,609.17

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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.