Home / 23,183.88-31,993.17-12,835.32

Finding the Fourth Proportional to 23,183.88, 31,993.17 and 12,835.32

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Solution

The fourth proportional to 23,183.88, 31,993.17 and 12,835.32 is: 17,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.88 : 31,993.17 = 12,835.32 : x
  2. Step 2: Convert to fraction form
    23,183.88/31,993.17 = 12,835.32/x
  3. Step 3: Cross multiply
    23,183.88x = 31,993.17 × 12,835.32
  4. Step 4: Simplify right side
    23,183.88x = 410,642,574.76
  5. Step 5: Solve for x
    x = 410,642,574.76/23,183.88
  6. Step 6: Final answer
    x = 17,712.42

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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.