Home / 27,991.08-41,986.54-7,214.44

Finding the Fourth Proportional to 27,991.08, 41,986.54 and 7,214.44

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Solution

The fourth proportional to 27,991.08, 41,986.54 and 7,214.44 is: 10,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.08 : 41,986.54 = 7,214.44 : x
  2. Step 2: Convert to fraction form
    27,991.08/41,986.54 = 7,214.44/x
  3. Step 3: Cross multiply
    27,991.08x = 41,986.54 × 7,214.44
  4. Step 4: Simplify right side
    27,991.08x = 302,909,373.64
  5. Step 5: Solve for x
    x = 302,909,373.64/27,991.08
  6. Step 6: Final answer
    x = 10,821.64

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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.