Home / 13,434.44-20,149.80-3,574.52

Finding the Fourth Proportional to 13,434.44, 20,149.80 and 3,574.52

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Solution

The fourth proportional to 13,434.44, 20,149.80 and 3,574.52 is: 5,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.44 : 20,149.80 = 3,574.52 : x
  2. Step 2: Convert to fraction form
    13,434.44/20,149.80 = 3,574.52/x
  3. Step 3: Cross multiply
    13,434.44x = 20,149.80 × 3,574.52
  4. Step 4: Simplify right side
    13,434.44x = 72,025,863.10
  5. Step 5: Solve for x
    x = 72,025,863.10/13,434.44
  6. Step 6: Final answer
    x = 5,361.29

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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.