Home / 17,120.25-25,645.00-10,078.56

Finding the Fourth Proportional to 17,120.25, 25,645.00 and 10,078.56

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Solution

The fourth proportional to 17,120.25, 25,645.00 and 10,078.56 is: 15,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.25 : 25,645.00 = 10,078.56 : x
  2. Step 2: Convert to fraction form
    17,120.25/25,645.00 = 10,078.56/x
  3. Step 3: Cross multiply
    17,120.25x = 25,645.00 × 10,078.56
  4. Step 4: Simplify right side
    17,120.25x = 258,464,779.97
  5. Step 5: Solve for x
    x = 258,464,779.97/17,120.25
  6. Step 6: Final answer
    x = 15,097.02

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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.