Home / 19,737.72-27,256.23-12,676.44

Finding the Fourth Proportional to 19,737.72, 27,256.23 and 12,676.44

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Solution

The fourth proportional to 19,737.72, 27,256.23 and 12,676.44 is: 17,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.72 : 27,256.23 = 12,676.44 : x
  2. Step 2: Convert to fraction form
    19,737.72/27,256.23 = 12,676.44/x
  3. Step 3: Cross multiply
    19,737.72x = 27,256.23 × 12,676.44
  4. Step 4: Simplify right side
    19,737.72x = 345,511,964.22
  5. Step 5: Solve for x
    x = 345,511,964.22/19,737.72
  6. Step 6: Final answer
    x = 17,505.17

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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.