Home / 13,401.86-18,494.12-8,095.75

Finding the Fourth Proportional to 13,401.86, 18,494.12 and 8,095.75

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Solution

The fourth proportional to 13,401.86, 18,494.12 and 8,095.75 is: 11,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.86 : 18,494.12 = 8,095.75 : x
  2. Step 2: Convert to fraction form
    13,401.86/18,494.12 = 8,095.75/x
  3. Step 3: Cross multiply
    13,401.86x = 18,494.12 × 8,095.75
  4. Step 4: Simplify right side
    13,401.86x = 149,723,745.99
  5. Step 5: Solve for x
    x = 149,723,745.99/13,401.86
  6. Step 6: Final answer
    x = 11,171.87

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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.