Home / 13,949.56-20,921.44-11,624.56

Finding the Fourth Proportional to 13,949.56, 20,921.44 and 11,624.56

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Solution

The fourth proportional to 13,949.56, 20,921.44 and 11,624.56 is: 17,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.56 : 20,921.44 = 11,624.56 : x
  2. Step 2: Convert to fraction form
    13,949.56/20,921.44 = 11,624.56/x
  3. Step 3: Cross multiply
    13,949.56x = 20,921.44 × 11,624.56
  4. Step 4: Simplify right side
    13,949.56x = 243,202,534.57
  5. Step 5: Solve for x
    x = 243,202,534.57/13,949.56
  6. Step 6: Final answer
    x = 17,434.42

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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.