Home / 14,571.44-20,108.39-8,197.55

Finding the Fourth Proportional to 14,571.44, 20,108.39 and 8,197.55

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Solution

The fourth proportional to 14,571.44, 20,108.39 and 8,197.55 is: 11,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.44 : 20,108.39 = 8,197.55 : x
  2. Step 2: Convert to fraction form
    14,571.44/20,108.39 = 8,197.55/x
  3. Step 3: Cross multiply
    14,571.44x = 20,108.39 × 8,197.55
  4. Step 4: Simplify right side
    14,571.44x = 164,839,390.91
  5. Step 5: Solve for x
    x = 164,839,390.91/14,571.44
  6. Step 6: Final answer
    x = 11,312.50

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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.