Home / 18,512.96-25,549.02-10,556.73

Finding the Fourth Proportional to 18,512.96, 25,549.02 and 10,556.73

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Solution

The fourth proportional to 18,512.96, 25,549.02 and 10,556.73 is: 14,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.96 : 25,549.02 = 10,556.73 : x
  2. Step 2: Convert to fraction form
    18,512.96/25,549.02 = 10,556.73/x
  3. Step 3: Cross multiply
    18,512.96x = 25,549.02 × 10,556.73
  4. Step 4: Simplify right side
    18,512.96x = 269,714,105.90
  5. Step 5: Solve for x
    x = 269,714,105.90/18,512.96
  6. Step 6: Final answer
    x = 14,568.94

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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.