Home / 17,867.72-26,799.90-12,061.64

Finding the Fourth Proportional to 17,867.72, 26,799.90 and 12,061.64

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Solution

The fourth proportional to 17,867.72, 26,799.90 and 12,061.64 is: 18,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.72 : 26,799.90 = 12,061.64 : x
  2. Step 2: Convert to fraction form
    17,867.72/26,799.90 = 12,061.64/x
  3. Step 3: Cross multiply
    17,867.72x = 26,799.90 × 12,061.64
  4. Step 4: Simplify right side
    17,867.72x = 323,250,745.84
  5. Step 5: Solve for x
    x = 323,250,745.84/17,867.72
  6. Step 6: Final answer
    x = 18,091.33

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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.