Home / 16,224.12-22,389.24-8,772.12

Finding the Fourth Proportional to 16,224.12, 22,389.24 and 8,772.12

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Solution

The fourth proportional to 16,224.12, 22,389.24 and 8,772.12 is: 12,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.12 : 22,389.24 = 8,772.12 : x
  2. Step 2: Convert to fraction form
    16,224.12/22,389.24 = 8,772.12/x
  3. Step 3: Cross multiply
    16,224.12x = 22,389.24 × 8,772.12
  4. Step 4: Simplify right side
    16,224.12x = 196,401,099.99
  5. Step 5: Solve for x
    x = 196,401,099.99/16,224.12
  6. Step 6: Final answer
    x = 12,105.50

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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.