Home / 18,036.58-27,054.87-11,835.83

Finding the Fourth Proportional to 18,036.58, 27,054.87 and 11,835.83

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Solution

The fourth proportional to 18,036.58, 27,054.87 and 11,835.83 is: 17,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.58 : 27,054.87 = 11,835.83 : x
  2. Step 2: Convert to fraction form
    18,036.58/27,054.87 = 11,835.83/x
  3. Step 3: Cross multiply
    18,036.58x = 27,054.87 × 11,835.83
  4. Step 4: Simplify right side
    18,036.58x = 320,216,841.99
  5. Step 5: Solve for x
    x = 320,216,841.99/18,036.58
  6. Step 6: Final answer
    x = 17,753.75

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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.