Home / 18,262.83-25,202.64-9,879.33

Finding the Fourth Proportional to 18,262.83, 25,202.64 and 9,879.33

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Solution

The fourth proportional to 18,262.83, 25,202.64 and 9,879.33 is: 13,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.83 : 25,202.64 = 9,879.33 : x
  2. Step 2: Convert to fraction form
    18,262.83/25,202.64 = 9,879.33/x
  3. Step 3: Cross multiply
    18,262.83x = 25,202.64 × 9,879.33
  4. Step 4: Simplify right side
    18,262.83x = 248,985,197.43
  5. Step 5: Solve for x
    x = 248,985,197.43/18,262.83
  6. Step 6: Final answer
    x = 13,633.44

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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.