Home / 19,301.28-28,968.52-10,997.97

Finding the Fourth Proportional to 19,301.28, 28,968.52 and 10,997.97

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Solution

The fourth proportional to 19,301.28, 28,968.52 and 10,997.97 is: 16,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.28 : 28,968.52 = 10,997.97 : x
  2. Step 2: Convert to fraction form
    19,301.28/28,968.52 = 10,997.97/x
  3. Step 3: Cross multiply
    19,301.28x = 28,968.52 × 10,997.97
  4. Step 4: Simplify right side
    19,301.28x = 318,594,913.90
  5. Step 5: Solve for x
    x = 318,594,913.90/19,301.28
  6. Step 6: Final answer
    x = 16,506.41

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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.