Home / 13,845.56-20,751.06-6,922.04

Finding the Fourth Proportional to 13,845.56, 20,751.06 and 6,922.04

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Solution

The fourth proportional to 13,845.56, 20,751.06 and 6,922.04 is: 10,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.56 : 20,751.06 = 6,922.04 : x
  2. Step 2: Convert to fraction form
    13,845.56/20,751.06 = 6,922.04/x
  3. Step 3: Cross multiply
    13,845.56x = 20,751.06 × 6,922.04
  4. Step 4: Simplify right side
    13,845.56x = 143,639,667.36
  5. Step 5: Solve for x
    x = 143,639,667.36/13,845.56
  6. Step 6: Final answer
    x = 10,374.42

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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.