Home / 17,327.14-25,988-5,640.28

Finding the Fourth Proportional to 17,327.14, 25,988 and 5,640.28

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Solution

The fourth proportional to 17,327.14, 25,988 and 5,640.28 is: 8,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,327.14 : 25,988 = 5,640.28 : x
  2. Step 2: Convert to fraction form
    17,327.14/25,988 = 5,640.28/x
  3. Step 3: Cross multiply
    17,327.14x = 25,988 × 5,640.28
  4. Step 4: Simplify right side
    17,327.14x = 146,579,596.64
  5. Step 5: Solve for x
    x = 146,579,596.64/17,327.14
  6. Step 6: Final answer
    x = 8,459.54

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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.