Home / 13,567.45-20,351.71-3,706.66

Finding the Fourth Proportional to 13,567.45, 20,351.71 and 3,706.66

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Solution

The fourth proportional to 13,567.45, 20,351.71 and 3,706.66 is: 5,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.45 : 20,351.71 = 3,706.66 : x
  2. Step 2: Convert to fraction form
    13,567.45/20,351.71 = 3,706.66/x
  3. Step 3: Cross multiply
    13,567.45x = 20,351.71 × 3,706.66
  4. Step 4: Simplify right side
    13,567.45x = 75,436,878.61
  5. Step 5: Solve for x
    x = 75,436,878.61/13,567.45
  6. Step 6: Final answer
    x = 5,560.14

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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.