Home / 19,157.54-28,736.20-4,926

Finding the Fourth Proportional to 19,157.54, 28,736.20 and 4,926

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Solution

The fourth proportional to 19,157.54, 28,736.20 and 4,926 is: 7,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.54 : 28,736.20 = 4,926 : x
  2. Step 2: Convert to fraction form
    19,157.54/28,736.20 = 4,926/x
  3. Step 3: Cross multiply
    19,157.54x = 28,736.20 × 4,926
  4. Step 4: Simplify right side
    19,157.54x = 141,554,521.20
  5. Step 5: Solve for x
    x = 141,554,521.20/19,157.54
  6. Step 6: Final answer
    x = 7,388.97

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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.