Home / 19,222.33-28,831.10-5,183.45

Finding the Fourth Proportional to 19,222.33, 28,831.10 and 5,183.45

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Solution

The fourth proportional to 19,222.33, 28,831.10 and 5,183.45 is: 7,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.33 : 28,831.10 = 5,183.45 : x
  2. Step 2: Convert to fraction form
    19,222.33/28,831.10 = 5,183.45/x
  3. Step 3: Cross multiply
    19,222.33x = 28,831.10 × 5,183.45
  4. Step 4: Simplify right side
    19,222.33x = 149,444,539.38
  5. Step 5: Solve for x
    x = 149,444,539.38/19,222.33
  6. Step 6: Final answer
    x = 7,774.53

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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.