Home / 21,737.41-29,930.46-16,976.59

Finding the Fourth Proportional to 21,737.41, 29,930.46 and 16,976.59

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Solution

The fourth proportional to 21,737.41, 29,930.46 and 16,976.59 is: 23,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.41 : 29,930.46 = 16,976.59 : x
  2. Step 2: Convert to fraction form
    21,737.41/29,930.46 = 16,976.59/x
  3. Step 3: Cross multiply
    21,737.41x = 29,930.46 × 16,976.59
  4. Step 4: Simplify right side
    21,737.41x = 508,117,104.94
  5. Step 5: Solve for x
    x = 508,117,104.94/21,737.41
  6. Step 6: Final answer
    x = 23,375.23

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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.