Home / 20,039.00-27,653.70-11,085.96

Finding the Fourth Proportional to 20,039.00, 27,653.70 and 11,085.96

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Solution

The fourth proportional to 20,039.00, 27,653.70 and 11,085.96 is: 15,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.00 : 27,653.70 = 11,085.96 : x
  2. Step 2: Convert to fraction form
    20,039.00/27,653.70 = 11,085.96/x
  3. Step 3: Cross multiply
    20,039.00x = 27,653.70 × 11,085.96
  4. Step 4: Simplify right side
    20,039.00x = 306,567,957.33
  5. Step 5: Solve for x
    x = 306,567,957.33/20,039.00
  6. Step 6: Final answer
    x = 15,298.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.