Home / 17,858.72-26,786.40-12,052.64

Finding the Fourth Proportional to 17,858.72, 26,786.40 and 12,052.64

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Solution

The fourth proportional to 17,858.72, 26,786.40 and 12,052.64 is: 18,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.72 : 26,786.40 = 12,052.64 : x
  2. Step 2: Convert to fraction form
    17,858.72/26,786.40 = 12,052.64/x
  3. Step 3: Cross multiply
    17,858.72x = 26,786.40 × 12,052.64
  4. Step 4: Simplify right side
    17,858.72x = 322,846,836.10
  5. Step 5: Solve for x
    x = 322,846,836.10/17,858.72
  6. Step 6: Final answer
    x = 18,077.83

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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.