Home / 13,863.30-20,888.58-11,452.14

Finding the Fourth Proportional to 13,863.30, 20,888.58 and 11,452.14

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Solution

The fourth proportional to 13,863.30, 20,888.58 and 11,452.14 is: 17,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.30 : 20,888.58 = 11,452.14 : x
  2. Step 2: Convert to fraction form
    13,863.30/20,888.58 = 11,452.14/x
  3. Step 3: Cross multiply
    13,863.30x = 20,888.58 × 11,452.14
  4. Step 4: Simplify right side
    13,863.30x = 239,218,942.56
  5. Step 5: Solve for x
    x = 239,218,942.56/13,863.30
  6. Step 6: Final answer
    x = 17,255.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.