Home / 18,440.07-27,651.47-6,745.11

Finding the Fourth Proportional to 18,440.07, 27,651.47 and 6,745.11

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Solution

The fourth proportional to 18,440.07, 27,651.47 and 6,745.11 is: 10,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.07 : 27,651.47 = 6,745.11 : x
  2. Step 2: Convert to fraction form
    18,440.07/27,651.47 = 6,745.11/x
  3. Step 3: Cross multiply
    18,440.07x = 27,651.47 × 6,745.11
  4. Step 4: Simplify right side
    18,440.07x = 186,512,173.09
  5. Step 5: Solve for x
    x = 186,512,173.09/18,440.07
  6. Step 6: Final answer
    x = 10,114.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.