Home / 19,955.32-29,933.10-5,163.22

Finding the Fourth Proportional to 19,955.32, 29,933.10 and 5,163.22

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Solution

The fourth proportional to 19,955.32, 29,933.10 and 5,163.22 is: 7,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.32 : 29,933.10 = 5,163.22 : x
  2. Step 2: Convert to fraction form
    19,955.32/29,933.10 = 5,163.22/x
  3. Step 3: Cross multiply
    19,955.32x = 29,933.10 × 5,163.22
  4. Step 4: Simplify right side
    19,955.32x = 154,551,180.58
  5. Step 5: Solve for x
    x = 154,551,180.58/19,955.32
  6. Step 6: Final answer
    x = 7,744.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.