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Finding the Fourth Proportional to 14,927.22, 20,599.11 and 8,212.84

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Solution

The fourth proportional to 14,927.22, 20,599.11 and 8,212.84 is: 11,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.22 : 20,599.11 = 8,212.84 : x
  2. Step 2: Convert to fraction form
    14,927.22/20,599.11 = 8,212.84/x
  3. Step 3: Cross multiply
    14,927.22x = 20,599.11 × 8,212.84
  4. Step 4: Simplify right side
    14,927.22x = 169,177,194.57
  5. Step 5: Solve for x
    x = 169,177,194.57/14,927.22
  6. Step 6: Final answer
    x = 11,333.47

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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.