Home / 14,556.20-21,843.90-5,322.20

Finding the Fourth Proportional to 14,556.20, 21,843.90 and 5,322.20

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Solution

The fourth proportional to 14,556.20, 21,843.90 and 5,322.20 is: 7,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.20 : 21,843.90 = 5,322.20 : x
  2. Step 2: Convert to fraction form
    14,556.20/21,843.90 = 5,322.20/x
  3. Step 3: Cross multiply
    14,556.20x = 21,843.90 × 5,322.20
  4. Step 4: Simplify right side
    14,556.20x = 116,257,604.58
  5. Step 5: Solve for x
    x = 116,257,604.58/14,556.20
  6. Step 6: Final answer
    x = 7,986.81

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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.