Home / 13,471.91-20,206.24-3,611.98

Finding the Fourth Proportional to 13,471.91, 20,206.24 and 3,611.98

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Solution

The fourth proportional to 13,471.91, 20,206.24 and 3,611.98 is: 5,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.91 : 20,206.24 = 3,611.98 : x
  2. Step 2: Convert to fraction form
    13,471.91/20,206.24 = 3,611.98/x
  3. Step 3: Cross multiply
    13,471.91x = 20,206.24 × 3,611.98
  4. Step 4: Simplify right side
    13,471.91x = 72,984,534.76
  5. Step 5: Solve for x
    x = 72,984,534.76/13,471.91
  6. Step 6: Final answer
    x = 5,417.53

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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.