Home / 19,957.94-29,928.22-5,723.28

Finding the Fourth Proportional to 19,957.94, 29,928.22 and 5,723.28

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Solution

The fourth proportional to 19,957.94, 29,928.22 and 5,723.28 is: 8,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.94 : 29,928.22 = 5,723.28 : x
  2. Step 2: Convert to fraction form
    19,957.94/29,928.22 = 5,723.28/x
  3. Step 3: Cross multiply
    19,957.94x = 29,928.22 × 5,723.28
  4. Step 4: Simplify right side
    19,957.94x = 171,287,523.27
  5. Step 5: Solve for x
    x = 171,287,523.27/19,957.94
  6. Step 6: Final answer
    x = 8,582.42

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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.