Home / 19,122.62-28,685.14-5,082.41

Finding the Fourth Proportional to 19,122.62, 28,685.14 and 5,082.41

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Solution

The fourth proportional to 19,122.62, 28,685.14 and 5,082.41 is: 7,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.62 : 28,685.14 = 5,082.41 : x
  2. Step 2: Convert to fraction form
    19,122.62/28,685.14 = 5,082.41/x
  3. Step 3: Cross multiply
    19,122.62x = 28,685.14 × 5,082.41
  4. Step 4: Simplify right side
    19,122.62x = 145,789,701.39
  5. Step 5: Solve for x
    x = 145,789,701.39/19,122.62
  6. Step 6: Final answer
    x = 7,623.94

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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.