Home / 14,846.13-20,487.87-8,131.62

Finding the Fourth Proportional to 14,846.13, 20,487.87 and 8,131.62

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Solution

The fourth proportional to 14,846.13, 20,487.87 and 8,131.62 is: 11,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.13 : 20,487.87 = 8,131.62 : x
  2. Step 2: Convert to fraction form
    14,846.13/20,487.87 = 8,131.62/x
  3. Step 3: Cross multiply
    14,846.13x = 20,487.87 × 8,131.62
  4. Step 4: Simplify right side
    14,846.13x = 166,599,573.45
  5. Step 5: Solve for x
    x = 166,599,573.45/14,846.13
  6. Step 6: Final answer
    x = 11,221.75

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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.