Home / 27,986.44-41,959.68-13,187.56

Finding the Fourth Proportional to 27,986.44, 41,959.68 and 13,187.56

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Solution

The fourth proportional to 27,986.44, 41,959.68 and 13,187.56 is: 19,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.44 : 41,959.68 = 13,187.56 : x
  2. Step 2: Convert to fraction form
    27,986.44/41,959.68 = 13,187.56/x
  3. Step 3: Cross multiply
    27,986.44x = 41,959.68 × 13,187.56
  4. Step 4: Simplify right side
    27,986.44x = 553,345,797.58
  5. Step 5: Solve for x
    x = 553,345,797.58/27,986.44
  6. Step 6: Final answer
    x = 19,771.93

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1.5x scale

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.