Home / 15,044.82-20,737.89-11,853.06

Finding the Fourth Proportional to 15,044.82, 20,737.89 and 11,853.06

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Solution

The fourth proportional to 15,044.82, 20,737.89 and 11,853.06 is: 16,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.82 : 20,737.89 = 11,853.06 : x
  2. Step 2: Convert to fraction form
    15,044.82/20,737.89 = 11,853.06/x
  3. Step 3: Cross multiply
    15,044.82x = 20,737.89 × 11,853.06
  4. Step 4: Simplify right side
    15,044.82x = 245,807,454.44
  5. Step 5: Solve for x
    x = 245,807,454.44/15,044.82
  6. Step 6: Final answer
    x = 16,338.34

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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.