Home / 13,474.44-20,211.66-6,543

Finding the Fourth Proportional to 13,474.44, 20,211.66 and 6,543

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Solution

The fourth proportional to 13,474.44, 20,211.66 and 6,543 is: 9,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.44 : 20,211.66 = 6,543 : x
  2. Step 2: Convert to fraction form
    13,474.44/20,211.66 = 6,543/x
  3. Step 3: Cross multiply
    13,474.44x = 20,211.66 × 6,543
  4. Step 4: Simplify right side
    13,474.44x = 132,244,891.38
  5. Step 5: Solve for x
    x = 132,244,891.38/13,474.44
  6. Step 6: Final answer
    x = 9,814.50

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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.