Home / 14,906.38-20,571.81-8,534.98

Finding the Fourth Proportional to 14,906.38, 20,571.81 and 8,534.98

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Solution

The fourth proportional to 14,906.38, 20,571.81 and 8,534.98 is: 11,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.38 : 20,571.81 = 8,534.98 : x
  2. Step 2: Convert to fraction form
    14,906.38/20,571.81 = 8,534.98/x
  3. Step 3: Cross multiply
    14,906.38x = 20,571.81 × 8,534.98
  4. Step 4: Simplify right side
    14,906.38x = 175,579,986.91
  5. Step 5: Solve for x
    x = 175,579,986.91/14,906.38
  6. Step 6: Final answer
    x = 11,778.85

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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.