Home / 12,626.08-18,936.96-3,392.16

Finding the Fourth Proportional to 12,626.08, 18,936.96 and 3,392.16

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Solution

The fourth proportional to 12,626.08, 18,936.96 and 3,392.16 is: 5,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.08 : 18,936.96 = 3,392.16 : x
  2. Step 2: Convert to fraction form
    12,626.08/18,936.96 = 3,392.16/x
  3. Step 3: Cross multiply
    12,626.08x = 18,936.96 × 3,392.16
  4. Step 4: Simplify right side
    12,626.08x = 64,237,198.23
  5. Step 5: Solve for x
    x = 64,237,198.23/12,626.08
  6. Step 6: Final answer
    x = 5,087.66

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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.