Home / 18,625.08-25,708.06-11,076.72

Finding the Fourth Proportional to 18,625.08, 25,708.06 and 11,076.72

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Solution

The fourth proportional to 18,625.08, 25,708.06 and 11,076.72 is: 15,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.08 : 25,708.06 = 11,076.72 : x
  2. Step 2: Convert to fraction form
    18,625.08/25,708.06 = 11,076.72/x
  3. Step 3: Cross multiply
    18,625.08x = 25,708.06 × 11,076.72
  4. Step 4: Simplify right side
    18,625.08x = 284,760,982.36
  5. Step 5: Solve for x
    x = 284,760,982.36/18,625.08
  6. Step 6: Final answer
    x = 15,289.11

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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.