Home / 33,017.91-45,553.64-18,860.73

Finding the Fourth Proportional to 33,017.91, 45,553.64 and 18,860.73

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Solution

The fourth proportional to 33,017.91, 45,553.64 and 18,860.73 is: 26,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.91 : 45,553.64 = 18,860.73 : x
  2. Step 2: Convert to fraction form
    33,017.91/45,553.64 = 18,860.73/x
  3. Step 3: Cross multiply
    33,017.91x = 45,553.64 × 18,860.73
  4. Step 4: Simplify right side
    33,017.91x = 859,174,810.25
  5. Step 5: Solve for x
    x = 859,174,810.25/33,017.91
  6. Step 6: Final answer
    x = 26,021.48

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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.