Home / 19,611.49-29,363.40-13,694.27

Finding the Fourth Proportional to 19,611.49, 29,363.40 and 13,694.27

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Solution

The fourth proportional to 19,611.49, 29,363.40 and 13,694.27 is: 20,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.49 : 29,363.40 = 13,694.27 : x
  2. Step 2: Convert to fraction form
    19,611.49/29,363.40 = 13,694.27/x
  3. Step 3: Cross multiply
    19,611.49x = 29,363.40 × 13,694.27
  4. Step 4: Simplify right side
    19,611.49x = 402,110,327.72
  5. Step 5: Solve for x
    x = 402,110,327.72/19,611.49
  6. Step 6: Final answer
    x = 20,503.81

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Why These Related Problems?

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