Home / 21,059.96-31,589.94-6,269.09

Finding the Fourth Proportional to 21,059.96, 31,589.94 and 6,269.09

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Solution

The fourth proportional to 21,059.96, 31,589.94 and 6,269.09 is: 9,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.96 : 31,589.94 = 6,269.09 : x
  2. Step 2: Convert to fraction form
    21,059.96/31,589.94 = 6,269.09/x
  3. Step 3: Cross multiply
    21,059.96x = 31,589.94 × 6,269.09
  4. Step 4: Simplify right side
    21,059.96x = 198,040,176.95
  5. Step 5: Solve for x
    x = 198,040,176.95/21,059.96
  6. Step 6: Final answer
    x = 9,403.64

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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.