Home / 16,778.28-23,152.84-9,224.42

Finding the Fourth Proportional to 16,778.28, 23,152.84 and 9,224.42

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Solution

The fourth proportional to 16,778.28, 23,152.84 and 9,224.42 is: 12,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.28 : 23,152.84 = 9,224.42 : x
  2. Step 2: Convert to fraction form
    16,778.28/23,152.84 = 9,224.42/x
  3. Step 3: Cross multiply
    16,778.28x = 23,152.84 × 9,224.42
  4. Step 4: Simplify right side
    16,778.28x = 213,571,485.65
  5. Step 5: Solve for x
    x = 213,571,485.65/16,778.28
  6. Step 6: Final answer
    x = 12,729.04

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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.