Home / 19,028.26-28,544.07-4,988.25

Finding the Fourth Proportional to 19,028.26, 28,544.07 and 4,988.25

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Solution

The fourth proportional to 19,028.26, 28,544.07 and 4,988.25 is: 7,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.26 : 28,544.07 = 4,988.25 : x
  2. Step 2: Convert to fraction form
    19,028.26/28,544.07 = 4,988.25/x
  3. Step 3: Cross multiply
    19,028.26x = 28,544.07 × 4,988.25
  4. Step 4: Simplify right side
    19,028.26x = 142,384,975.88
  5. Step 5: Solve for x
    x = 142,384,975.88/19,028.26
  6. Step 6: Final answer
    x = 7,482.82

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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.