Home / 17,318.90-25,979.71-5,473.58

Finding the Fourth Proportional to 17,318.90, 25,979.71 and 5,473.58

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Solution

The fourth proportional to 17,318.90, 25,979.71 and 5,473.58 is: 8,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.90 : 25,979.71 = 5,473.58 : x
  2. Step 2: Convert to fraction form
    17,318.90/25,979.71 = 5,473.58/x
  3. Step 3: Cross multiply
    17,318.90x = 25,979.71 × 5,473.58
  4. Step 4: Simplify right side
    17,318.90x = 142,202,021.06
  5. Step 5: Solve for x
    x = 142,202,021.06/17,318.90
  6. Step 6: Final answer
    x = 8,210.80

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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.