Home / 20,846.33-31,241.84-10,992.58

Finding the Fourth Proportional to 20,846.33, 31,241.84 and 10,992.58

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Solution

The fourth proportional to 20,846.33, 31,241.84 and 10,992.58 is: 16,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.33 : 31,241.84 = 10,992.58 : x
  2. Step 2: Convert to fraction form
    20,846.33/31,241.84 = 10,992.58/x
  3. Step 3: Cross multiply
    20,846.33x = 31,241.84 × 10,992.58
  4. Step 4: Simplify right side
    20,846.33x = 343,428,425.55
  5. Step 5: Solve for x
    x = 343,428,425.55/20,846.33
  6. Step 6: Final answer
    x = 16,474.29

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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.