Home / 18,536.18-27,791.06-8,670.07

Finding the Fourth Proportional to 18,536.18, 27,791.06 and 8,670.07

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Solution

The fourth proportional to 18,536.18, 27,791.06 and 8,670.07 is: 12,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.18 : 27,791.06 = 8,670.07 : x
  2. Step 2: Convert to fraction form
    18,536.18/27,791.06 = 8,670.07/x
  3. Step 3: Cross multiply
    18,536.18x = 27,791.06 × 8,670.07
  4. Step 4: Simplify right side
    18,536.18x = 240,950,426.96
  5. Step 5: Solve for x
    x = 240,950,426.96/18,536.18
  6. Step 6: Final answer
    x = 12,998.93

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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.