Home / 14,571.38-20,108.51-8,284.97

Finding the Fourth Proportional to 14,571.38, 20,108.51 and 8,284.97

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Solution

The fourth proportional to 14,571.38, 20,108.51 and 8,284.97 is: 11,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.38 : 20,108.51 = 8,284.97 : x
  2. Step 2: Convert to fraction form
    14,571.38/20,108.51 = 8,284.97/x
  3. Step 3: Cross multiply
    14,571.38x = 20,108.51 × 8,284.97
  4. Step 4: Simplify right side
    14,571.38x = 166,598,260.13
  5. Step 5: Solve for x
    x = 166,598,260.13/14,571.38
  6. Step 6: Final answer
    x = 11,433.26

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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.