Home / 18,628.24-27,941.52-5,481.04

Finding the Fourth Proportional to 18,628.24, 27,941.52 and 5,481.04

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Solution

The fourth proportional to 18,628.24, 27,941.52 and 5,481.04 is: 8,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.24 : 27,941.52 = 5,481.04 : x
  2. Step 2: Convert to fraction form
    18,628.24/27,941.52 = 5,481.04/x
  3. Step 3: Cross multiply
    18,628.24x = 27,941.52 × 5,481.04
  4. Step 4: Simplify right side
    18,628.24x = 153,148,588.78
  5. Step 5: Solve for x
    x = 153,148,588.78/18,628.24
  6. Step 6: Final answer
    x = 8,221.31

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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.