Home / 14,939.06-20,611.33-8,650.22

Finding the Fourth Proportional to 14,939.06, 20,611.33 and 8,650.22

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Solution

The fourth proportional to 14,939.06, 20,611.33 and 8,650.22 is: 11,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.06 : 20,611.33 = 8,650.22 : x
  2. Step 2: Convert to fraction form
    14,939.06/20,611.33 = 8,650.22/x
  3. Step 3: Cross multiply
    14,939.06x = 20,611.33 × 8,650.22
  4. Step 4: Simplify right side
    14,939.06x = 178,292,414.31
  5. Step 5: Solve for x
    x = 178,292,414.31/14,939.06
  6. Step 6: Final answer
    x = 11,934.65

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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.