Home / 17,172.48-25,757.28-11,661.24

Finding the Fourth Proportional to 17,172.48, 25,757.28 and 11,661.24

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Solution

The fourth proportional to 17,172.48, 25,757.28 and 11,661.24 is: 17,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.48 : 25,757.28 = 11,661.24 : x
  2. Step 2: Convert to fraction form
    17,172.48/25,757.28 = 11,661.24/x
  3. Step 3: Cross multiply
    17,172.48x = 25,757.28 × 11,661.24
  4. Step 4: Simplify right side
    17,172.48x = 300,361,823.83
  5. Step 5: Solve for x
    x = 300,361,823.83/17,172.48
  6. Step 6: Final answer
    x = 17,490.88

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1.5x scale

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.