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Finding the Fourth Proportional to 18,692.48, 25,797.48 and 13,968.56

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Solution

The fourth proportional to 18,692.48, 25,797.48 and 13,968.56 is: 19,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.48 : 25,797.48 = 13,968.56 : x
  2. Step 2: Convert to fraction form
    18,692.48/25,797.48 = 13,968.56/x
  3. Step 3: Cross multiply
    18,692.48x = 25,797.48 × 13,968.56
  4. Step 4: Simplify right side
    18,692.48x = 360,353,647.23
  5. Step 5: Solve for x
    x = 360,353,647.23/18,692.48
  6. Step 6: Final answer
    x = 19,278.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.