Home / 19,884.32-29,825.79-5,093.38

Finding the Fourth Proportional to 19,884.32, 29,825.79 and 5,093.38

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Solution

The fourth proportional to 19,884.32, 29,825.79 and 5,093.38 is: 7,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.32 : 29,825.79 = 5,093.38 : x
  2. Step 2: Convert to fraction form
    19,884.32/29,825.79 = 5,093.38/x
  3. Step 3: Cross multiply
    19,884.32x = 29,825.79 × 5,093.38
  4. Step 4: Simplify right side
    19,884.32x = 151,914,129.10
  5. Step 5: Solve for x
    x = 151,914,129.10/19,884.32
  6. Step 6: Final answer
    x = 7,639.90

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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.