Home / 14,591.85-20,136.12-8,936.17

Finding the Fourth Proportional to 14,591.85, 20,136.12 and 8,936.17

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Solution

The fourth proportional to 14,591.85, 20,136.12 and 8,936.17 is: 12,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.85 : 20,136.12 = 8,936.17 : x
  2. Step 2: Convert to fraction form
    14,591.85/20,136.12 = 8,936.17/x
  3. Step 3: Cross multiply
    14,591.85x = 20,136.12 × 8,936.17
  4. Step 4: Simplify right side
    14,591.85x = 179,939,846.01
  5. Step 5: Solve for x
    x = 179,939,846.01/14,591.85
  6. Step 6: Final answer
    x = 12,331.53

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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.