Home / 16,961.28-25,435.68-5,865.12

Finding the Fourth Proportional to 16,961.28, 25,435.68 and 5,865.12

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Solution

The fourth proportional to 16,961.28, 25,435.68 and 5,865.12 is: 8,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.28 : 25,435.68 = 5,865.12 : x
  2. Step 2: Convert to fraction form
    16,961.28/25,435.68 = 5,865.12/x
  3. Step 3: Cross multiply
    16,961.28x = 25,435.68 × 5,865.12
  4. Step 4: Simplify right side
    16,961.28x = 149,183,315.48
  5. Step 5: Solve for x
    x = 149,183,315.48/16,961.28
  6. Step 6: Final answer
    x = 8,795.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.