Home / 16,778.30-23,153.56-9,224.62

Finding the Fourth Proportional to 16,778.30, 23,153.56 and 9,224.62

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Solution

The fourth proportional to 16,778.30, 23,153.56 and 9,224.62 is: 12,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.30 : 23,153.56 = 9,224.62 : x
  2. Step 2: Convert to fraction form
    16,778.30/23,153.56 = 9,224.62/x
  3. Step 3: Cross multiply
    16,778.30x = 23,153.56 × 9,224.62
  4. Step 4: Simplify right side
    16,778.30x = 213,582,711.70
  5. Step 5: Solve for x
    x = 213,582,711.70/16,778.30
  6. Step 6: Final answer
    x = 12,729.70

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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.