Home / 20,722.96-31,084.64-16,589.24

Finding the Fourth Proportional to 20,722.96, 31,084.64 and 16,589.24

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Solution

The fourth proportional to 20,722.96, 31,084.64 and 16,589.24 is: 24,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.96 : 31,084.64 = 16,589.24 : x
  2. Step 2: Convert to fraction form
    20,722.96/31,084.64 = 16,589.24/x
  3. Step 3: Cross multiply
    20,722.96x = 31,084.64 × 16,589.24
  4. Step 4: Simplify right side
    20,722.96x = 515,670,553.27
  5. Step 5: Solve for x
    x = 515,670,553.27/20,722.96
  6. Step 6: Final answer
    x = 24,884.02

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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.