Home / 13,474.62-20,220.57-6,545.34

Finding the Fourth Proportional to 13,474.62, 20,220.57 and 6,545.34

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Solution

The fourth proportional to 13,474.62, 20,220.57 and 6,545.34 is: 9,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.62 : 20,220.57 = 6,545.34 : x
  2. Step 2: Convert to fraction form
    13,474.62/20,220.57 = 6,545.34/x
  3. Step 3: Cross multiply
    13,474.62x = 20,220.57 × 6,545.34
  4. Step 4: Simplify right side
    13,474.62x = 132,350,505.64
  5. Step 5: Solve for x
    x = 132,350,505.64/13,474.62
  6. Step 6: Final answer
    x = 9,822.21

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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.