Home / 20,832.02-31,211.58-17,344.44

Finding the Fourth Proportional to 20,832.02, 31,211.58 and 17,344.44

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Solution

The fourth proportional to 20,832.02, 31,211.58 and 17,344.44 is: 25,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.02 : 31,211.58 = 17,344.44 : x
  2. Step 2: Convert to fraction form
    20,832.02/31,211.58 = 17,344.44/x
  3. Step 3: Cross multiply
    20,832.02x = 31,211.58 × 17,344.44
  4. Step 4: Simplify right side
    20,832.02x = 541,347,376.62
  5. Step 5: Solve for x
    x = 541,347,376.62/20,832.02
  6. Step 6: Final answer
    x = 25,986.31

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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.