Home / 19,954.76-29,933.96-5,163.75

Finding the Fourth Proportional to 19,954.76, 29,933.96 and 5,163.75

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Solution

The fourth proportional to 19,954.76, 29,933.96 and 5,163.75 is: 7,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.76 : 29,933.96 = 5,163.75 : x
  2. Step 2: Convert to fraction form
    19,954.76/29,933.96 = 5,163.75/x
  3. Step 3: Cross multiply
    19,954.76x = 29,933.96 × 5,163.75
  4. Step 4: Simplify right side
    19,954.76x = 154,571,460.13
  5. Step 5: Solve for x
    x = 154,571,460.13/19,954.76
  6. Step 6: Final answer
    x = 7,746.10

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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.