Home / 18,728.66-25,843.20-10,663.37

Finding the Fourth Proportional to 18,728.66, 25,843.20 and 10,663.37

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Solution

The fourth proportional to 18,728.66, 25,843.20 and 10,663.37 is: 14,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.66 : 25,843.20 = 10,663.37 : x
  2. Step 2: Convert to fraction form
    18,728.66/25,843.20 = 10,663.37/x
  3. Step 3: Cross multiply
    18,728.66x = 25,843.20 × 10,663.37
  4. Step 4: Simplify right side
    18,728.66x = 275,575,663.96
  5. Step 5: Solve for x
    x = 275,575,663.96/18,728.66
  6. Step 6: Final answer
    x = 14,714.12

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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.