Home / 14,243.94-19,651.41-8,936.82

Finding the Fourth Proportional to 14,243.94, 19,651.41 and 8,936.82

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Solution

The fourth proportional to 14,243.94, 19,651.41 and 8,936.82 is: 12,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.94 : 19,651.41 = 8,936.82 : x
  2. Step 2: Convert to fraction form
    14,243.94/19,651.41 = 8,936.82/x
  3. Step 3: Cross multiply
    14,243.94x = 19,651.41 × 8,936.82
  4. Step 4: Simplify right side
    14,243.94x = 175,621,113.92
  5. Step 5: Solve for x
    x = 175,621,113.92/14,243.94
  6. Step 6: Final answer
    x = 12,329.53

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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.