Home / 19,290.06-28,938.56-6,817.37

Finding the Fourth Proportional to 19,290.06, 28,938.56 and 6,817.37

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Solution

The fourth proportional to 19,290.06, 28,938.56 and 6,817.37 is: 10,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.06 : 28,938.56 = 6,817.37 : x
  2. Step 2: Convert to fraction form
    19,290.06/28,938.56 = 6,817.37/x
  3. Step 3: Cross multiply
    19,290.06x = 28,938.56 × 6,817.37
  4. Step 4: Simplify right side
    19,290.06x = 197,284,692.01
  5. Step 5: Solve for x
    x = 197,284,692.01/19,290.06
  6. Step 6: Final answer
    x = 10,227.27

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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.