Home / 22,438.56-30,939.92-14,361.64

Finding the Fourth Proportional to 22,438.56, 30,939.92 and 14,361.64

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Solution

The fourth proportional to 22,438.56, 30,939.92 and 14,361.64 is: 19,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.56 : 30,939.92 = 14,361.64 : x
  2. Step 2: Convert to fraction form
    22,438.56/30,939.92 = 14,361.64/x
  3. Step 3: Cross multiply
    22,438.56x = 30,939.92 × 14,361.64
  4. Step 4: Simplify right side
    22,438.56x = 444,347,992.67
  5. Step 5: Solve for x
    x = 444,347,992.67/22,438.56
  6. Step 6: Final answer
    x = 19,802.87

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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.