Home / 18,818.94-25,964.19-11,749.44

Finding the Fourth Proportional to 18,818.94, 25,964.19 and 11,749.44

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Solution

The fourth proportional to 18,818.94, 25,964.19 and 11,749.44 is: 16,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.94 : 25,964.19 = 11,749.44 : x
  2. Step 2: Convert to fraction form
    18,818.94/25,964.19 = 11,749.44/x
  3. Step 3: Cross multiply
    18,818.94x = 25,964.19 × 11,749.44
  4. Step 4: Simplify right side
    18,818.94x = 305,064,692.55
  5. Step 5: Solve for x
    x = 305,064,692.55/18,818.94
  6. Step 6: Final answer
    x = 16,210.51

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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.