Home / 13,711.63-20,567.51-3,323.38

Finding the Fourth Proportional to 13,711.63, 20,567.51 and 3,323.38

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Solution

The fourth proportional to 13,711.63, 20,567.51 and 3,323.38 is: 4,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.63 : 20,567.51 = 3,323.38 : x
  2. Step 2: Convert to fraction form
    13,711.63/20,567.51 = 3,323.38/x
  3. Step 3: Cross multiply
    13,711.63x = 20,567.51 × 3,323.38
  4. Step 4: Simplify right side
    13,711.63x = 68,353,651.38
  5. Step 5: Solve for x
    x = 68,353,651.38/13,711.63
  6. Step 6: Final answer
    x = 4,985.09

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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.