Home / 19,270.81-28,906.23-5,230.84

Finding the Fourth Proportional to 19,270.81, 28,906.23 and 5,230.84

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Solution

The fourth proportional to 19,270.81, 28,906.23 and 5,230.84 is: 7,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.81 : 28,906.23 = 5,230.84 : x
  2. Step 2: Convert to fraction form
    19,270.81/28,906.23 = 5,230.84/x
  3. Step 3: Cross multiply
    19,270.81x = 28,906.23 × 5,230.84
  4. Step 4: Simplify right side
    19,270.81x = 151,203,900.27
  5. Step 5: Solve for x
    x = 151,203,900.27/19,270.81
  6. Step 6: Final answer
    x = 7,846.27

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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.