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Finding the Fourth Proportional to 14,029.14, 19,361.94 and 8,060.80

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Solution

The fourth proportional to 14,029.14, 19,361.94 and 8,060.80 is: 11,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.14 : 19,361.94 = 8,060.80 : x
  2. Step 2: Convert to fraction form
    14,029.14/19,361.94 = 8,060.80/x
  3. Step 3: Cross multiply
    14,029.14x = 19,361.94 × 8,060.80
  4. Step 4: Simplify right side
    14,029.14x = 156,072,725.95
  5. Step 5: Solve for x
    x = 156,072,725.95/14,029.14
  6. Step 6: Final answer
    x = 11,124.90

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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.