Home / 17,609.36-26,418.63-5,129.10

Finding the Fourth Proportional to 17,609.36, 26,418.63 and 5,129.10

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Solution

The fourth proportional to 17,609.36, 26,418.63 and 5,129.10 is: 7,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.36 : 26,418.63 = 5,129.10 : x
  2. Step 2: Convert to fraction form
    17,609.36/26,418.63 = 5,129.10/x
  3. Step 3: Cross multiply
    17,609.36x = 26,418.63 × 5,129.10
  4. Step 4: Simplify right side
    17,609.36x = 135,503,795.13
  5. Step 5: Solve for x
    x = 135,503,795.13/17,609.36
  6. Step 6: Final answer
    x = 7,694.99

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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.