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Finding the Fourth Proportional to 18,042.71, 26,998.46 and 14,893.43

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Solution

The fourth proportional to 18,042.71, 26,998.46 and 14,893.43 is: 22,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.71 : 26,998.46 = 14,893.43 : x
  2. Step 2: Convert to fraction form
    18,042.71/26,998.46 = 14,893.43/x
  3. Step 3: Cross multiply
    18,042.71x = 26,998.46 × 14,893.43
  4. Step 4: Simplify right side
    18,042.71x = 402,099,599.65
  5. Step 5: Solve for x
    x = 402,099,599.65/18,042.71
  6. Step 6: Final answer
    x = 22,285.99

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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.