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Finding the Fourth Proportional to 14,667.83, 20,207.39 and 11,999.69

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Solution

The fourth proportional to 14,667.83, 20,207.39 and 11,999.69 is: 16,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.83 : 20,207.39 = 11,999.69 : x
  2. Step 2: Convert to fraction form
    14,667.83/20,207.39 = 11,999.69/x
  3. Step 3: Cross multiply
    14,667.83x = 20,207.39 × 11,999.69
  4. Step 4: Simplify right side
    14,667.83x = 242,482,355.71
  5. Step 5: Solve for x
    x = 242,482,355.71/14,667.83
  6. Step 6: Final answer
    x = 16,531.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.