Home / 14,556.49-20,090.08-8,183.60

Finding the Fourth Proportional to 14,556.49, 20,090.08 and 8,183.60

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Solution

The fourth proportional to 14,556.49, 20,090.08 and 8,183.60 is: 11,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.49 : 20,090.08 = 8,183.60 : x
  2. Step 2: Convert to fraction form
    14,556.49/20,090.08 = 8,183.60/x
  3. Step 3: Cross multiply
    14,556.49x = 20,090.08 × 8,183.60
  4. Step 4: Simplify right side
    14,556.49x = 164,409,230.78
  5. Step 5: Solve for x
    x = 164,409,230.78/14,556.49
  6. Step 6: Final answer
    x = 11,294.57

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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.