Home / 31,198.37-46,812.74-13,665.92

Finding the Fourth Proportional to 31,198.37, 46,812.74 and 13,665.92

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Solution

The fourth proportional to 31,198.37, 46,812.74 and 13,665.92 is: 20,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.37 : 46,812.74 = 13,665.92 : x
  2. Step 2: Convert to fraction form
    31,198.37/46,812.74 = 13,665.92/x
  3. Step 3: Cross multiply
    31,198.37x = 46,812.74 × 13,665.92
  4. Step 4: Simplify right side
    31,198.37x = 639,738,857.43
  5. Step 5: Solve for x
    x = 639,738,857.43/31,198.37
  6. Step 6: Final answer
    x = 20,505.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.