Home / 17,971.93-26,899.10-13,226.82

Finding the Fourth Proportional to 17,971.93, 26,899.10 and 13,226.82

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Solution

The fourth proportional to 17,971.93, 26,899.10 and 13,226.82 is: 19,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.93 : 26,899.10 = 13,226.82 : x
  2. Step 2: Convert to fraction form
    17,971.93/26,899.10 = 13,226.82/x
  3. Step 3: Cross multiply
    17,971.93x = 26,899.10 × 13,226.82
  4. Step 4: Simplify right side
    17,971.93x = 355,789,553.86
  5. Step 5: Solve for x
    x = 355,789,553.86/17,971.93
  6. Step 6: Final answer
    x = 19,796.96

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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.