Home / 18,325.96-27,446.16-13,383.36

Finding the Fourth Proportional to 18,325.96, 27,446.16 and 13,383.36

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Solution

The fourth proportional to 18,325.96, 27,446.16 and 13,383.36 is: 20,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.96 : 27,446.16 = 13,383.36 : x
  2. Step 2: Convert to fraction form
    18,325.96/27,446.16 = 13,383.36/x
  3. Step 3: Cross multiply
    18,325.96x = 27,446.16 × 13,383.36
  4. Step 4: Simplify right side
    18,325.96x = 367,321,839.90
  5. Step 5: Solve for x
    x = 367,321,839.90/18,325.96
  6. Step 6: Final answer
    x = 20,043.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.