Home / 14,584.08-20,122.80-8,611.68

Finding the Fourth Proportional to 14,584.08, 20,122.80 and 8,611.68

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Solution

The fourth proportional to 14,584.08, 20,122.80 and 8,611.68 is: 11,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.08 : 20,122.80 = 8,611.68 : x
  2. Step 2: Convert to fraction form
    14,584.08/20,122.80 = 8,611.68/x
  3. Step 3: Cross multiply
    14,584.08x = 20,122.80 × 8,611.68
  4. Step 4: Simplify right side
    14,584.08x = 173,291,114.30
  5. Step 5: Solve for x
    x = 173,291,114.30/14,584.08
  6. Step 6: Final answer
    x = 11,882.21

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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.