Home / 18,663.43-25,755.52-10,279.93

Finding the Fourth Proportional to 18,663.43, 25,755.52 and 10,279.93

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Solution

The fourth proportional to 18,663.43, 25,755.52 and 10,279.93 is: 14,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.43 : 25,755.52 = 10,279.93 : x
  2. Step 2: Convert to fraction form
    18,663.43/25,755.52 = 10,279.93/x
  3. Step 3: Cross multiply
    18,663.43x = 25,755.52 × 10,279.93
  4. Step 4: Simplify right side
    18,663.43x = 264,764,813.94
  5. Step 5: Solve for x
    x = 264,764,813.94/18,663.43
  6. Step 6: Final answer
    x = 14,186.29

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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.