Home / 16,899.31-25,350.45-4,419.28

Finding the Fourth Proportional to 16,899.31, 25,350.45 and 4,419.28

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Solution

The fourth proportional to 16,899.31, 25,350.45 and 4,419.28 is: 6,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.31 : 25,350.45 = 4,419.28 : x
  2. Step 2: Convert to fraction form
    16,899.31/25,350.45 = 4,419.28/x
  3. Step 3: Cross multiply
    16,899.31x = 25,350.45 × 4,419.28
  4. Step 4: Simplify right side
    16,899.31x = 112,030,736.68
  5. Step 5: Solve for x
    x = 112,030,736.68/16,899.31
  6. Step 6: Final answer
    x = 6,629.31

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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.