Home / 14,611.05-20,163.47-8,323.29

Finding the Fourth Proportional to 14,611.05, 20,163.47 and 8,323.29

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Solution

The fourth proportional to 14,611.05, 20,163.47 and 8,323.29 is: 11,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.05 : 20,163.47 = 8,323.29 : x
  2. Step 2: Convert to fraction form
    14,611.05/20,163.47 = 8,323.29/x
  3. Step 3: Cross multiply
    14,611.05x = 20,163.47 × 8,323.29
  4. Step 4: Simplify right side
    14,611.05x = 167,826,366.60
  5. Step 5: Solve for x
    x = 167,826,366.60/14,611.05
  6. Step 6: Final answer
    x = 11,486.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.