Home / 16,778.43-23,153.74-9,224.77

Finding the Fourth Proportional to 16,778.43, 23,153.74 and 9,224.77

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Solution

The fourth proportional to 16,778.43, 23,153.74 and 9,224.77 is: 12,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.43 : 23,153.74 = 9,224.77 : x
  2. Step 2: Convert to fraction form
    16,778.43/23,153.74 = 9,224.77/x
  3. Step 3: Cross multiply
    16,778.43x = 23,153.74 × 9,224.77
  4. Step 4: Simplify right side
    16,778.43x = 213,587,926.14
  5. Step 5: Solve for x
    x = 213,587,926.14/16,778.43
  6. Step 6: Final answer
    x = 12,729.91

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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.