Home / 23,991.21-33,107.92-13,381.53

Finding the Fourth Proportional to 23,991.21, 33,107.92 and 13,381.53

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Solution

The fourth proportional to 23,991.21, 33,107.92 and 13,381.53 is: 18,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.21 : 33,107.92 = 13,381.53 : x
  2. Step 2: Convert to fraction form
    23,991.21/33,107.92 = 13,381.53/x
  3. Step 3: Cross multiply
    23,991.21x = 33,107.92 × 13,381.53
  4. Step 4: Simplify right side
    23,991.21x = 443,034,557.81
  5. Step 5: Solve for x
    x = 443,034,557.81/23,991.21
  6. Step 6: Final answer
    x = 18,466.54

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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.