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Finding the Fourth Proportional to 14,362.95, 19,817.55 and 8,396.54

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Solution

The fourth proportional to 14,362.95, 19,817.55 and 8,396.54 is: 11,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.95 : 19,817.55 = 8,396.54 : x
  2. Step 2: Convert to fraction form
    14,362.95/19,817.55 = 8,396.54/x
  3. Step 3: Cross multiply
    14,362.95x = 19,817.55 × 8,396.54
  4. Step 4: Simplify right side
    14,362.95x = 166,398,910.94
  5. Step 5: Solve for x
    x = 166,398,910.94/14,362.95
  6. Step 6: Final answer
    x = 11,585.29

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1.5x scale

Why These Related Problems?

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