Home / 19,651.50-27,121.82-12,592.96

Finding the Fourth Proportional to 19,651.50, 27,121.82 and 12,592.96

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Solution

The fourth proportional to 19,651.50, 27,121.82 and 12,592.96 is: 17,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.50 : 27,121.82 = 12,592.96 : x
  2. Step 2: Convert to fraction form
    19,651.50/27,121.82 = 12,592.96/x
  3. Step 3: Cross multiply
    19,651.50x = 27,121.82 × 12,592.96
  4. Step 4: Simplify right side
    19,651.50x = 341,543,994.39
  5. Step 5: Solve for x
    x = 341,543,994.39/19,651.50
  6. Step 6: Final answer
    x = 17,380.05

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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.