Home / 16,778.45-25,112.92-12,334.94

Finding the Fourth Proportional to 16,778.45, 25,112.92 and 12,334.94

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Solution

The fourth proportional to 16,778.45, 25,112.92 and 12,334.94 is: 18,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.45 : 25,112.92 = 12,334.94 : x
  2. Step 2: Convert to fraction form
    16,778.45/25,112.92 = 12,334.94/x
  3. Step 3: Cross multiply
    16,778.45x = 25,112.92 × 12,334.94
  4. Step 4: Simplify right side
    16,778.45x = 309,766,334.18
  5. Step 5: Solve for x
    x = 309,766,334.18/16,778.45
  6. Step 6: Final answer
    x = 18,462.15

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1.5x scale

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.