Home / 19,295.78-28,923.92-13,056.44

Finding the Fourth Proportional to 19,295.78, 28,923.92 and 13,056.44

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Solution

The fourth proportional to 19,295.78, 28,923.92 and 13,056.44 is: 19,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.78 : 28,923.92 = 13,056.44 : x
  2. Step 2: Convert to fraction form
    19,295.78/28,923.92 = 13,056.44/x
  3. Step 3: Cross multiply
    19,295.78x = 28,923.92 × 13,056.44
  4. Step 4: Simplify right side
    19,295.78x = 377,643,426.04
  5. Step 5: Solve for x
    x = 377,643,426.04/19,295.78
  6. Step 6: Final answer
    x = 19,571.30

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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.