Home / 33,004.17-45,545.16-18,663.78

Finding the Fourth Proportional to 33,004.17, 45,545.16 and 18,663.78

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Solution

The fourth proportional to 33,004.17, 45,545.16 and 18,663.78 is: 25,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.17 : 45,545.16 = 18,663.78 : x
  2. Step 2: Convert to fraction form
    33,004.17/45,545.16 = 18,663.78/x
  3. Step 3: Cross multiply
    33,004.17x = 45,545.16 × 18,663.78
  4. Step 4: Simplify right side
    33,004.17x = 850,044,846.30
  5. Step 5: Solve for x
    x = 850,044,846.30/33,004.17
  6. Step 6: Final answer
    x = 25,755.68

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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.