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Finding the Fourth Proportional to 14,865.90, 22,298.85 and 11,409.90

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Solution

The fourth proportional to 14,865.90, 22,298.85 and 11,409.90 is: 17,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.90 : 22,298.85 = 11,409.90 : x
  2. Step 2: Convert to fraction form
    14,865.90/22,298.85 = 11,409.90/x
  3. Step 3: Cross multiply
    14,865.90x = 22,298.85 × 11,409.90
  4. Step 4: Simplify right side
    14,865.90x = 254,427,648.62
  5. Step 5: Solve for x
    x = 254,427,648.62/14,865.90
  6. Step 6: Final answer
    x = 17,114.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.