Home / 23,182.07-31,991.22-12,571.68

Finding the Fourth Proportional to 23,182.07, 31,991.22 and 12,571.68

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Solution

The fourth proportional to 23,182.07, 31,991.22 and 12,571.68 is: 17,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.07 : 31,991.22 = 12,571.68 : x
  2. Step 2: Convert to fraction form
    23,182.07/31,991.22 = 12,571.68/x
  3. Step 3: Cross multiply
    23,182.07x = 31,991.22 × 12,571.68
  4. Step 4: Simplify right side
    23,182.07x = 402,183,380.65
  5. Step 5: Solve for x
    x = 402,183,380.65/23,182.07
  6. Step 6: Final answer
    x = 17,348.90

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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.