Home / 33,004.10-45,545.04-18,663.74

Finding the Fourth Proportional to 33,004.10, 45,545.04 and 18,663.74

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Solution

The fourth proportional to 33,004.10, 45,545.04 and 18,663.74 is: 25,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.10 : 45,545.04 = 18,663.74 : x
  2. Step 2: Convert to fraction form
    33,004.10/45,545.04 = 18,663.74/x
  3. Step 3: Cross multiply
    33,004.10x = 45,545.04 × 18,663.74
  4. Step 4: Simplify right side
    33,004.10x = 850,040,784.85
  5. Step 5: Solve for x
    x = 850,040,784.85/33,004.10
  6. Step 6: Final answer
    x = 25,755.61

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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.