Home / 16,778.79-23,153.53-9,224.92

Finding the Fourth Proportional to 16,778.79, 23,153.53 and 9,224.92

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Solution

The fourth proportional to 16,778.79, 23,153.53 and 9,224.92 is: 12,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.79 : 23,153.53 = 9,224.92 : x
  2. Step 2: Convert to fraction form
    16,778.79/23,153.53 = 9,224.92/x
  3. Step 3: Cross multiply
    16,778.79x = 23,153.53 × 9,224.92
  4. Step 4: Simplify right side
    16,778.79x = 213,589,461.97
  5. Step 5: Solve for x
    x = 213,589,461.97/16,778.79
  6. Step 6: Final answer
    x = 12,729.73

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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.