Home / 33,698.18-50,553.75-12,920.06

Finding the Fourth Proportional to 33,698.18, 50,553.75 and 12,920.06

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Solution

The fourth proportional to 33,698.18, 50,553.75 and 12,920.06 is: 19,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,698.18 : 50,553.75 = 12,920.06 : x
  2. Step 2: Convert to fraction form
    33,698.18/50,553.75 = 12,920.06/x
  3. Step 3: Cross multiply
    33,698.18x = 50,553.75 × 12,920.06
  4. Step 4: Simplify right side
    33,698.18x = 653,157,658.06
  5. Step 5: Solve for x
    x = 653,157,658.06/33,698.18
  6. Step 6: Final answer
    x = 19,382.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.