Home / 21,366.86-32,049.94-8,222.08

Finding the Fourth Proportional to 21,366.86, 32,049.94 and 8,222.08

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Solution

The fourth proportional to 21,366.86, 32,049.94 and 8,222.08 is: 12,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.86 : 32,049.94 = 8,222.08 : x
  2. Step 2: Convert to fraction form
    21,366.86/32,049.94 = 8,222.08/x
  3. Step 3: Cross multiply
    21,366.86x = 32,049.94 × 8,222.08
  4. Step 4: Simplify right side
    21,366.86x = 263,517,170.68
  5. Step 5: Solve for x
    x = 263,517,170.68/21,366.86
  6. Step 6: Final answer
    x = 12,332.99

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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.