Home / 12,692.16-19,023.60-6,836.48

Finding the Fourth Proportional to 12,692.16, 19,023.60 and 6,836.48

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Solution

The fourth proportional to 12,692.16, 19,023.60 and 6,836.48 is: 10,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.16 : 19,023.60 = 6,836.48 : x
  2. Step 2: Convert to fraction form
    12,692.16/19,023.60 = 6,836.48/x
  3. Step 3: Cross multiply
    12,692.16x = 19,023.60 × 6,836.48
  4. Step 4: Simplify right side
    12,692.16x = 130,054,460.93
  5. Step 5: Solve for x
    x = 130,054,460.93/12,692.16
  6. Step 6: Final answer
    x = 10,246.83

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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.