Home / 13,574.21-20,361.59-3,713.42

Finding the Fourth Proportional to 13,574.21, 20,361.59 and 3,713.42

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Solution

The fourth proportional to 13,574.21, 20,361.59 and 3,713.42 is: 5,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.21 : 20,361.59 = 3,713.42 : x
  2. Step 2: Convert to fraction form
    13,574.21/20,361.59 = 3,713.42/x
  3. Step 3: Cross multiply
    13,574.21x = 20,361.59 × 3,713.42
  4. Step 4: Simplify right side
    13,574.21x = 75,611,195.73
  5. Step 5: Solve for x
    x = 75,611,195.73/13,574.21
  6. Step 6: Final answer
    x = 5,570.21

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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.