Home / 13,485.44-20,227.02-3,624.68

Finding the Fourth Proportional to 13,485.44, 20,227.02 and 3,624.68

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Solution

The fourth proportional to 13,485.44, 20,227.02 and 3,624.68 is: 5,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.44 : 20,227.02 = 3,624.68 : x
  2. Step 2: Convert to fraction form
    13,485.44/20,227.02 = 3,624.68/x
  3. Step 3: Cross multiply
    13,485.44x = 20,227.02 × 3,624.68
  4. Step 4: Simplify right side
    13,485.44x = 73,316,474.85
  5. Step 5: Solve for x
    x = 73,316,474.85/13,485.44
  6. Step 6: Final answer
    x = 5,436.71

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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.