Home / 12,243.96-18,249.84-11,874.60

Finding the Fourth Proportional to 12,243.96, 18,249.84 and 11,874.60

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Solution

The fourth proportional to 12,243.96, 18,249.84 and 11,874.60 is: 17,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.96 : 18,249.84 = 11,874.60 : x
  2. Step 2: Convert to fraction form
    12,243.96/18,249.84 = 11,874.60/x
  3. Step 3: Cross multiply
    12,243.96x = 18,249.84 × 11,874.60
  4. Step 4: Simplify right side
    12,243.96x = 216,709,550.06
  5. Step 5: Solve for x
    x = 216,709,550.06/12,243.96
  6. Step 6: Final answer
    x = 17,699.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.