Home / 13,401.99-18,494.73-8,095.82

Finding the Fourth Proportional to 13,401.99, 18,494.73 and 8,095.82

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Solution

The fourth proportional to 13,401.99, 18,494.73 and 8,095.82 is: 11,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.99 : 18,494.73 = 8,095.82 : x
  2. Step 2: Convert to fraction form
    13,401.99/18,494.73 = 8,095.82/x
  3. Step 3: Cross multiply
    13,401.99x = 18,494.73 × 8,095.82
  4. Step 4: Simplify right side
    13,401.99x = 149,729,912.55
  5. Step 5: Solve for x
    x = 149,729,912.55/13,401.99
  6. Step 6: Final answer
    x = 11,172.21

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1.5x scale

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.