Home / 17,212.96-25,815.08-6,679.36

Finding the Fourth Proportional to 17,212.96, 25,815.08 and 6,679.36

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Solution

The fourth proportional to 17,212.96, 25,815.08 and 6,679.36 is: 10,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.96 : 25,815.08 = 6,679.36 : x
  2. Step 2: Convert to fraction form
    17,212.96/25,815.08 = 6,679.36/x
  3. Step 3: Cross multiply
    17,212.96x = 25,815.08 × 6,679.36
  4. Step 4: Simplify right side
    17,212.96x = 172,428,212.75
  5. Step 5: Solve for x
    x = 172,428,212.75/17,212.96
  6. Step 6: Final answer
    x = 10,017.35

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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.