Home / 22,813.45-34,222.91-8,772.91

Finding the Fourth Proportional to 22,813.45, 34,222.91 and 8,772.91

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Solution

The fourth proportional to 22,813.45, 34,222.91 and 8,772.91 is: 13,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.45 : 34,222.91 = 8,772.91 : x
  2. Step 2: Convert to fraction form
    22,813.45/34,222.91 = 8,772.91/x
  3. Step 3: Cross multiply
    22,813.45x = 34,222.91 × 8,772.91
  4. Step 4: Simplify right side
    22,813.45x = 300,234,379.95
  5. Step 5: Solve for x
    x = 300,234,379.95/22,813.45
  6. Step 6: Final answer
    x = 13,160.41

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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.