Home / 13,629.99-18,809.55-8,252.34

Finding the Fourth Proportional to 13,629.99, 18,809.55 and 8,252.34

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Solution

The fourth proportional to 13,629.99, 18,809.55 and 8,252.34 is: 11,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.99 : 18,809.55 = 8,252.34 : x
  2. Step 2: Convert to fraction form
    13,629.99/18,809.55 = 8,252.34/x
  3. Step 3: Cross multiply
    13,629.99x = 18,809.55 × 8,252.34
  4. Step 4: Simplify right side
    13,629.99x = 155,222,801.85
  5. Step 5: Solve for x
    x = 155,222,801.85/13,629.99
  6. Step 6: Final answer
    x = 11,388.33

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1.5x scale

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.