Home / 13,844.82-19,102.99-8,176.70

Finding the Fourth Proportional to 13,844.82, 19,102.99 and 8,176.70

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Solution

The fourth proportional to 13,844.82, 19,102.99 and 8,176.70 is: 11,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.82 : 19,102.99 = 8,176.70 : x
  2. Step 2: Convert to fraction form
    13,844.82/19,102.99 = 8,176.70/x
  3. Step 3: Cross multiply
    13,844.82x = 19,102.99 × 8,176.70
  4. Step 4: Simplify right side
    13,844.82x = 156,199,353.53
  5. Step 5: Solve for x
    x = 156,199,353.53/13,844.82
  6. Step 6: Final answer
    x = 11,282.15

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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.