Home / 18,085.24-27,129.08-4,936.51

Finding the Fourth Proportional to 18,085.24, 27,129.08 and 4,936.51

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Solution

The fourth proportional to 18,085.24, 27,129.08 and 4,936.51 is: 7,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.24 : 27,129.08 = 4,936.51 : x
  2. Step 2: Convert to fraction form
    18,085.24/27,129.08 = 4,936.51/x
  3. Step 3: Cross multiply
    18,085.24x = 27,129.08 × 4,936.51
  4. Step 4: Simplify right side
    18,085.24x = 133,922,974.71
  5. Step 5: Solve for x
    x = 133,922,974.71/18,085.24
  6. Step 6: Final answer
    x = 7,405.10

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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.