Home / 31,571.27-43,574.00-18,825.27

Finding the Fourth Proportional to 31,571.27, 43,574.00 and 18,825.27

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Solution

The fourth proportional to 31,571.27, 43,574.00 and 18,825.27 is: 25,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.27 : 43,574.00 = 18,825.27 : x
  2. Step 2: Convert to fraction form
    31,571.27/43,574.00 = 18,825.27/x
  3. Step 3: Cross multiply
    31,571.27x = 43,574.00 × 18,825.27
  4. Step 4: Simplify right side
    31,571.27x = 820,292,220.85
  5. Step 5: Solve for x
    x = 820,292,220.85/31,571.27
  6. Step 6: Final answer
    x = 25,982.24

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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.