Home / 13,944.56-20,914.92-3,555.68

Finding the Fourth Proportional to 13,944.56, 20,914.92 and 3,555.68

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Solution

The fourth proportional to 13,944.56, 20,914.92 and 3,555.68 is: 5,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.56 : 20,914.92 = 3,555.68 : x
  2. Step 2: Convert to fraction form
    13,944.56/20,914.92 = 3,555.68/x
  3. Step 3: Cross multiply
    13,944.56x = 20,914.92 × 3,555.68
  4. Step 4: Simplify right side
    13,944.56x = 74,366,762.75
  5. Step 5: Solve for x
    x = 74,366,762.75/13,944.56
  6. Step 6: Final answer
    x = 5,333.03

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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.