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Finding the Fourth Proportional to 14,619.84, 20,174.88 and 8,334.24

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Solution

The fourth proportional to 14,619.84, 20,174.88 and 8,334.24 is: 11,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.84 : 20,174.88 = 8,334.24 : x
  2. Step 2: Convert to fraction form
    14,619.84/20,174.88 = 8,334.24/x
  3. Step 3: Cross multiply
    14,619.84x = 20,174.88 × 8,334.24
  4. Step 4: Simplify right side
    14,619.84x = 168,142,291.89
  5. Step 5: Solve for x
    x = 168,142,291.89/14,619.84
  6. Step 6: Final answer
    x = 11,500.97

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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.