Home / 17,451.72-26,167.63-11,911.77

Finding the Fourth Proportional to 17,451.72, 26,167.63 and 11,911.77

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Solution

The fourth proportional to 17,451.72, 26,167.63 and 11,911.77 is: 17,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,451.72 : 26,167.63 = 11,911.77 : x
  2. Step 2: Convert to fraction form
    17,451.72/26,167.63 = 11,911.77/x
  3. Step 3: Cross multiply
    17,451.72x = 26,167.63 × 11,911.77
  4. Step 4: Simplify right side
    17,451.72x = 311,702,790.01
  5. Step 5: Solve for x
    x = 311,702,790.01/17,451.72
  6. Step 6: Final answer
    x = 17,860.86

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1.5x scale

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.