Home / 13,474.02-20,211.78-4,115.46

Finding the Fourth Proportional to 13,474.02, 20,211.78 and 4,115.46

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Solution

The fourth proportional to 13,474.02, 20,211.78 and 4,115.46 is: 6,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.02 : 20,211.78 = 4,115.46 : x
  2. Step 2: Convert to fraction form
    13,474.02/20,211.78 = 4,115.46/x
  3. Step 3: Cross multiply
    13,474.02x = 20,211.78 × 4,115.46
  4. Step 4: Simplify right side
    13,474.02x = 83,180,772.12
  5. Step 5: Solve for x
    x = 83,180,772.12/13,474.02
  6. Step 6: Final answer
    x = 6,173.42

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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.