Home / 20,566.31-30,850.07-14,234.94

Finding the Fourth Proportional to 20,566.31, 30,850.07 and 14,234.94

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Solution

The fourth proportional to 20,566.31, 30,850.07 and 14,234.94 is: 21,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.31 : 30,850.07 = 14,234.94 : x
  2. Step 2: Convert to fraction form
    20,566.31/30,850.07 = 14,234.94/x
  3. Step 3: Cross multiply
    20,566.31x = 30,850.07 × 14,234.94
  4. Step 4: Simplify right side
    20,566.31x = 439,148,824.27
  5. Step 5: Solve for x
    x = 439,148,824.27/20,566.31
  6. Step 6: Final answer
    x = 21,352.83

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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.