Home / 13,267.76-18,309.99-7,299.89

Finding the Fourth Proportional to 13,267.76, 18,309.99 and 7,299.89

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Solution

The fourth proportional to 13,267.76, 18,309.99 and 7,299.89 is: 10,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.76 : 18,309.99 = 7,299.89 : x
  2. Step 2: Convert to fraction form
    13,267.76/18,309.99 = 7,299.89/x
  3. Step 3: Cross multiply
    13,267.76x = 18,309.99 × 7,299.89
  4. Step 4: Simplify right side
    13,267.76x = 133,660,912.90
  5. Step 5: Solve for x
    x = 133,660,912.90/13,267.76
  6. Step 6: Final answer
    x = 10,074.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.