Home / 16,824.16-23,217.78-9,270.28

Finding the Fourth Proportional to 16,824.16, 23,217.78 and 9,270.28

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Solution

The fourth proportional to 16,824.16, 23,217.78 and 9,270.28 is: 12,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.16 : 23,217.78 = 9,270.28 : x
  2. Step 2: Convert to fraction form
    16,824.16/23,217.78 = 9,270.28/x
  3. Step 3: Cross multiply
    16,824.16x = 23,217.78 × 9,270.28
  4. Step 4: Simplify right side
    16,824.16x = 215,235,321.58
  5. Step 5: Solve for x
    x = 215,235,321.58/16,824.16
  6. Step 6: Final answer
    x = 12,793.23

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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.