Home / 14,982.32-20,674.38-8,606.90

Finding the Fourth Proportional to 14,982.32, 20,674.38 and 8,606.90

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Solution

The fourth proportional to 14,982.32, 20,674.38 and 8,606.90 is: 11,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.32 : 20,674.38 = 8,606.90 : x
  2. Step 2: Convert to fraction form
    14,982.32/20,674.38 = 8,606.90/x
  3. Step 3: Cross multiply
    14,982.32x = 20,674.38 × 8,606.90
  4. Step 4: Simplify right side
    14,982.32x = 177,942,321.22
  5. Step 5: Solve for x
    x = 177,942,321.22/14,982.32
  6. Step 6: Final answer
    x = 11,876.82

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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.