Home / 14,619.69-20,173.94-8,650.32

Finding the Fourth Proportional to 14,619.69, 20,173.94 and 8,650.32

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Solution

The fourth proportional to 14,619.69, 20,173.94 and 8,650.32 is: 11,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.69 : 20,173.94 = 8,650.32 : x
  2. Step 2: Convert to fraction form
    14,619.69/20,173.94 = 8,650.32/x
  3. Step 3: Cross multiply
    14,619.69x = 20,173.94 × 8,650.32
  4. Step 4: Simplify right side
    14,619.69x = 174,510,935.79
  5. Step 5: Solve for x
    x = 174,510,935.79/14,619.69
  6. Step 6: Final answer
    x = 11,936.71

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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.