Home / 11,920.44-16,456.82-10,658.46

Finding the Fourth Proportional to 11,920.44, 16,456.82 and 10,658.46

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Solution

The fourth proportional to 11,920.44, 16,456.82 and 10,658.46 is: 14,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.44 : 16,456.82 = 10,658.46 : x
  2. Step 2: Convert to fraction form
    11,920.44/16,456.82 = 10,658.46/x
  3. Step 3: Cross multiply
    11,920.44x = 16,456.82 × 10,658.46
  4. Step 4: Simplify right side
    11,920.44x = 175,404,304.40
  5. Step 5: Solve for x
    x = 175,404,304.40/11,920.44
  6. Step 6: Final answer
    x = 14,714.58

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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.