Home / 12,592.40-18,876.60-4,692.80

Finding the Fourth Proportional to 12,592.40, 18,876.60 and 4,692.80

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Solution

The fourth proportional to 12,592.40, 18,876.60 and 4,692.80 is: 7,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.40 : 18,876.60 = 4,692.80 : x
  2. Step 2: Convert to fraction form
    12,592.40/18,876.60 = 4,692.80/x
  3. Step 3: Cross multiply
    12,592.40x = 18,876.60 × 4,692.80
  4. Step 4: Simplify right side
    12,592.40x = 88,584,108.48
  5. Step 5: Solve for x
    x = 88,584,108.48/12,592.40
  6. Step 6: Final answer
    x = 7,034.73

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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.