Home / 13,906.04-19,190.18-8,601.35

Finding the Fourth Proportional to 13,906.04, 19,190.18 and 8,601.35

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Solution

The fourth proportional to 13,906.04, 19,190.18 and 8,601.35 is: 11,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.04 : 19,190.18 = 8,601.35 : x
  2. Step 2: Convert to fraction form
    13,906.04/19,190.18 = 8,601.35/x
  3. Step 3: Cross multiply
    13,906.04x = 19,190.18 × 8,601.35
  4. Step 4: Simplify right side
    13,906.04x = 165,061,380.30
  5. Step 5: Solve for x
    x = 165,061,380.30/13,906.04
  6. Step 6: Final answer
    x = 11,869.77

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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.