Home / 19,737.27-27,255.63-12,676

Finding the Fourth Proportional to 19,737.27, 27,255.63 and 12,676

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Solution

The fourth proportional to 19,737.27, 27,255.63 and 12,676 is: 17,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.27 : 27,255.63 = 12,676 : x
  2. Step 2: Convert to fraction form
    19,737.27/27,255.63 = 12,676/x
  3. Step 3: Cross multiply
    19,737.27x = 27,255.63 × 12,676
  4. Step 4: Simplify right side
    19,737.27x = 345,492,365.88
  5. Step 5: Solve for x
    x = 345,492,365.88/19,737.27
  6. Step 6: Final answer
    x = 17,504.57

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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.