Home / 18,291.42-27,495.18-17,513.82

Finding the Fourth Proportional to 18,291.42, 27,495.18 and 17,513.82

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Solution

The fourth proportional to 18,291.42, 27,495.18 and 17,513.82 is: 26,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.42 : 27,495.18 = 17,513.82 : x
  2. Step 2: Convert to fraction form
    18,291.42/27,495.18 = 17,513.82/x
  3. Step 3: Cross multiply
    18,291.42x = 27,495.18 × 17,513.82
  4. Step 4: Simplify right side
    18,291.42x = 481,545,633.39
  5. Step 5: Solve for x
    x = 481,545,633.39/18,291.42
  6. Step 6: Final answer
    x = 26,326.31

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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.