Home / 13,968.12-20,947.74-4,606.39

Finding the Fourth Proportional to 13,968.12, 20,947.74 and 4,606.39

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Solution

The fourth proportional to 13,968.12, 20,947.74 and 4,606.39 is: 6,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.12 : 20,947.74 = 4,606.39 : x
  2. Step 2: Convert to fraction form
    13,968.12/20,947.74 = 4,606.39/x
  3. Step 3: Cross multiply
    13,968.12x = 20,947.74 × 4,606.39
  4. Step 4: Simplify right side
    13,968.12x = 96,493,468.97
  5. Step 5: Solve for x
    x = 96,493,468.97/13,968.12
  6. Step 6: Final answer
    x = 6,908.12

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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.