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Finding the Fourth Proportional to 16,312.24, 22,510.90 and 8,860.24

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Solution

The fourth proportional to 16,312.24, 22,510.90 and 8,860.24 is: 12,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.24 : 22,510.90 = 8,860.24 : x
  2. Step 2: Convert to fraction form
    16,312.24/22,510.90 = 8,860.24/x
  3. Step 3: Cross multiply
    16,312.24x = 22,510.90 × 8,860.24
  4. Step 4: Simplify right side
    16,312.24x = 199,451,976.62
  5. Step 5: Solve for x
    x = 199,451,976.62/16,312.24
  6. Step 6: Final answer
    x = 12,227.14

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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.