Home / 19,328.31-28,993.23-9,194.25

Finding the Fourth Proportional to 19,328.31, 28,993.23 and 9,194.25

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Solution

The fourth proportional to 19,328.31, 28,993.23 and 9,194.25 is: 13,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.31 : 28,993.23 = 9,194.25 : x
  2. Step 2: Convert to fraction form
    19,328.31/28,993.23 = 9,194.25/x
  3. Step 3: Cross multiply
    19,328.31x = 28,993.23 × 9,194.25
  4. Step 4: Simplify right side
    19,328.31x = 266,571,160.95
  5. Step 5: Solve for x
    x = 266,571,160.95/19,328.31
  6. Step 6: Final answer
    x = 13,791.75

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1.5x scale

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.