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Finding the Fourth Proportional to 16,263.88, 22,444.15 and 8,811.88

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Solution

The fourth proportional to 16,263.88, 22,444.15 and 8,811.88 is: 12,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,263.88 : 22,444.15 = 8,811.88 : x
  2. Step 2: Convert to fraction form
    16,263.88/22,444.15 = 8,811.88/x
  3. Step 3: Cross multiply
    16,263.88x = 22,444.15 × 8,811.88
  4. Step 4: Simplify right side
    16,263.88x = 197,775,156.50
  5. Step 5: Solve for x
    x = 197,775,156.50/16,263.88
  6. Step 6: Final answer
    x = 12,160.39

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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.