Home / 19,183.01-28,772.44-5,144.45

Finding the Fourth Proportional to 19,183.01, 28,772.44 and 5,144.45

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Solution

The fourth proportional to 19,183.01, 28,772.44 and 5,144.45 is: 7,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.01 : 28,772.44 = 5,144.45 : x
  2. Step 2: Convert to fraction form
    19,183.01/28,772.44 = 5,144.45/x
  3. Step 3: Cross multiply
    19,183.01x = 28,772.44 × 5,144.45
  4. Step 4: Simplify right side
    19,183.01x = 148,018,222.23
  5. Step 5: Solve for x
    x = 148,018,222.23/19,183.01
  6. Step 6: Final answer
    x = 7,716.11

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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.