Home / 17,145.46-23,669.36-16,229.76

Finding the Fourth Proportional to 17,145.46, 23,669.36 and 16,229.76

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Solution

The fourth proportional to 17,145.46, 23,669.36 and 16,229.76 is: 22,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.46 : 23,669.36 = 16,229.76 : x
  2. Step 2: Convert to fraction form
    17,145.46/23,669.36 = 16,229.76/x
  3. Step 3: Cross multiply
    17,145.46x = 23,669.36 × 16,229.76
  4. Step 4: Simplify right side
    17,145.46x = 384,148,032.15
  5. Step 5: Solve for x
    x = 384,148,032.15/17,145.46
  6. Step 6: Final answer
    x = 22,405.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.