Home / 20,832.53-31,212.33-17,344.94

Finding the Fourth Proportional to 20,832.53, 31,212.33 and 17,344.94

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Solution

The fourth proportional to 20,832.53, 31,212.33 and 17,344.94 is: 25,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.53 : 31,212.33 = 17,344.94 : x
  2. Step 2: Convert to fraction form
    20,832.53/31,212.33 = 17,344.94/x
  3. Step 3: Cross multiply
    20,832.53x = 31,212.33 × 17,344.94
  4. Step 4: Simplify right side
    20,832.53x = 541,375,835.05
  5. Step 5: Solve for x
    x = 541,375,835.05/20,832.53
  6. Step 6: Final answer
    x = 25,987.05

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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.