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Finding the Fourth Proportional to 14,006.22, 21,009.33 and 8,092.11

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Solution

The fourth proportional to 14,006.22, 21,009.33 and 8,092.11 is: 12,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.22 : 21,009.33 = 8,092.11 : x
  2. Step 2: Convert to fraction form
    14,006.22/21,009.33 = 8,092.11/x
  3. Step 3: Cross multiply
    14,006.22x = 21,009.33 × 8,092.11
  4. Step 4: Simplify right side
    14,006.22x = 170,009,809.39
  5. Step 5: Solve for x
    x = 170,009,809.39/14,006.22
  6. Step 6: Final answer
    x = 12,138.17

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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.