Home / 13,184.06-19,771.97-6,940.58

Finding the Fourth Proportional to 13,184.06, 19,771.97 and 6,940.58

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Solution

The fourth proportional to 13,184.06, 19,771.97 and 6,940.58 is: 10,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.06 : 19,771.97 = 6,940.58 : x
  2. Step 2: Convert to fraction form
    13,184.06/19,771.97 = 6,940.58/x
  3. Step 3: Cross multiply
    13,184.06x = 19,771.97 × 6,940.58
  4. Step 4: Simplify right side
    13,184.06x = 137,228,805.98
  5. Step 5: Solve for x
    x = 137,228,805.98/13,184.06
  6. Step 6: Final answer
    x = 10,408.69

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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.