Home / 16,905.97-25,360.17-5,217.67

Finding the Fourth Proportional to 16,905.97, 25,360.17 and 5,217.67

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Solution

The fourth proportional to 16,905.97, 25,360.17 and 5,217.67 is: 7,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.97 : 25,360.17 = 5,217.67 : x
  2. Step 2: Convert to fraction form
    16,905.97/25,360.17 = 5,217.67/x
  3. Step 3: Cross multiply
    16,905.97x = 25,360.17 × 5,217.67
  4. Step 4: Simplify right side
    16,905.97x = 132,320,998.20
  5. Step 5: Solve for x
    x = 132,320,998.20/16,905.97
  6. Step 6: Final answer
    x = 7,826.88

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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.