Home / 14,380.82-21,567.98-5,611.22

Finding the Fourth Proportional to 14,380.82, 21,567.98 and 5,611.22

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Solution

The fourth proportional to 14,380.82, 21,567.98 and 5,611.22 is: 8,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.82 : 21,567.98 = 5,611.22 : x
  2. Step 2: Convert to fraction form
    14,380.82/21,567.98 = 5,611.22/x
  3. Step 3: Cross multiply
    14,380.82x = 21,567.98 × 5,611.22
  4. Step 4: Simplify right side
    14,380.82x = 121,022,544.84
  5. Step 5: Solve for x
    x = 121,022,544.84/14,380.82
  6. Step 6: Final answer
    x = 8,415.56

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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.