Home / 17,088.26-25,629.69-5,398.88

Finding the Fourth Proportional to 17,088.26, 25,629.69 and 5,398.88

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Solution

The fourth proportional to 17,088.26, 25,629.69 and 5,398.88 is: 8,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.26 : 25,629.69 = 5,398.88 : x
  2. Step 2: Convert to fraction form
    17,088.26/25,629.69 = 5,398.88/x
  3. Step 3: Cross multiply
    17,088.26x = 25,629.69 × 5,398.88
  4. Step 4: Simplify right side
    17,088.26x = 138,371,620.75
  5. Step 5: Solve for x
    x = 138,371,620.75/17,088.26
  6. Step 6: Final answer
    x = 8,097.47

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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.