Home / 19,973.28-29,959.92-6,122.28

Finding the Fourth Proportional to 19,973.28, 29,959.92 and 6,122.28

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Solution

The fourth proportional to 19,973.28, 29,959.92 and 6,122.28 is: 9,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.28 : 29,959.92 = 6,122.28 : x
  2. Step 2: Convert to fraction form
    19,973.28/29,959.92 = 6,122.28/x
  3. Step 3: Cross multiply
    19,973.28x = 29,959.92 × 6,122.28
  4. Step 4: Simplify right side
    19,973.28x = 183,423,019.02
  5. Step 5: Solve for x
    x = 183,423,019.02/19,973.28
  6. Step 6: Final answer
    x = 9,183.42

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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.