Home / 16,772.56-25,156.92-5,679.28

Finding the Fourth Proportional to 16,772.56, 25,156.92 and 5,679.28

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Solution

The fourth proportional to 16,772.56, 25,156.92 and 5,679.28 is: 8,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.56 : 25,156.92 = 5,679.28 : x
  2. Step 2: Convert to fraction form
    16,772.56/25,156.92 = 5,679.28/x
  3. Step 3: Cross multiply
    16,772.56x = 25,156.92 × 5,679.28
  4. Step 4: Simplify right side
    16,772.56x = 142,873,192.62
  5. Step 5: Solve for x
    x = 142,873,192.62/16,772.56
  6. Step 6: Final answer
    x = 8,518.27

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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.