Home / 16,982.38-25,455.30-10,412.98

Finding the Fourth Proportional to 16,982.38, 25,455.30 and 10,412.98

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Solution

The fourth proportional to 16,982.38, 25,455.30 and 10,412.98 is: 15,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.38 : 25,455.30 = 10,412.98 : x
  2. Step 2: Convert to fraction form
    16,982.38/25,455.30 = 10,412.98/x
  3. Step 3: Cross multiply
    16,982.38x = 25,455.30 × 10,412.98
  4. Step 4: Simplify right side
    16,982.38x = 265,065,529.79
  5. Step 5: Solve for x
    x = 265,065,529.79/16,982.38
  6. Step 6: Final answer
    x = 15,608.27

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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.