Home / 20,222.15-27,814.05-16,234.52

Finding the Fourth Proportional to 20,222.15, 27,814.05 and 16,234.52

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Solution

The fourth proportional to 20,222.15, 27,814.05 and 16,234.52 is: 22,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.15 : 27,814.05 = 16,234.52 : x
  2. Step 2: Convert to fraction form
    20,222.15/27,814.05 = 16,234.52/x
  3. Step 3: Cross multiply
    20,222.15x = 27,814.05 × 16,234.52
  4. Step 4: Simplify right side
    20,222.15x = 451,547,611.94
  5. Step 5: Solve for x
    x = 451,547,611.94/20,222.15
  6. Step 6: Final answer
    x = 22,329.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.