Home / 16,721.37-23,063.94-11,406.96

Finding the Fourth Proportional to 16,721.37, 23,063.94 and 11,406.96

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Solution

The fourth proportional to 16,721.37, 23,063.94 and 11,406.96 is: 15,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.37 : 23,063.94 = 11,406.96 : x
  2. Step 2: Convert to fraction form
    16,721.37/23,063.94 = 11,406.96/x
  3. Step 3: Cross multiply
    16,721.37x = 23,063.94 × 11,406.96
  4. Step 4: Simplify right side
    16,721.37x = 263,089,441.02
  5. Step 5: Solve for x
    x = 263,089,441.02/16,721.37
  6. Step 6: Final answer
    x = 15,733.73

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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.