Home / 16,217.64-22,380.33-8,765.64

Finding the Fourth Proportional to 16,217.64, 22,380.33 and 8,765.64

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Solution

The fourth proportional to 16,217.64, 22,380.33 and 8,765.64 is: 12,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.64 : 22,380.33 = 8,765.64 : x
  2. Step 2: Convert to fraction form
    16,217.64/22,380.33 = 8,765.64/x
  3. Step 3: Cross multiply
    16,217.64x = 22,380.33 × 8,765.64
  4. Step 4: Simplify right side
    16,217.64x = 196,177,915.86
  5. Step 5: Solve for x
    x = 196,177,915.86/16,217.64
  6. Step 6: Final answer
    x = 12,096.58

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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.