Home / 18,255.05-25,190.09-13,477.54

Finding the Fourth Proportional to 18,255.05, 25,190.09 and 13,477.54

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Solution

The fourth proportional to 18,255.05, 25,190.09 and 13,477.54 is: 18,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.05 : 25,190.09 = 13,477.54 : x
  2. Step 2: Convert to fraction form
    18,255.05/25,190.09 = 13,477.54/x
  3. Step 3: Cross multiply
    18,255.05x = 25,190.09 × 13,477.54
  4. Step 4: Simplify right side
    18,255.05x = 339,500,445.58
  5. Step 5: Solve for x
    x = 339,500,445.58/18,255.05
  6. Step 6: Final answer
    x = 18,597.62

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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.