Home / 16,819.28-25,216.28-5,719.04

Finding the Fourth Proportional to 16,819.28, 25,216.28 and 5,719.04

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Solution

The fourth proportional to 16,819.28, 25,216.28 and 5,719.04 is: 8,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.28 : 25,216.28 = 5,719.04 : x
  2. Step 2: Convert to fraction form
    16,819.28/25,216.28 = 5,719.04/x
  3. Step 3: Cross multiply
    16,819.28x = 25,216.28 × 5,719.04
  4. Step 4: Simplify right side
    16,819.28x = 144,212,913.97
  5. Step 5: Solve for x
    x = 144,212,913.97/16,819.28
  6. Step 6: Final answer
    x = 8,574.26

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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.