Home / 14,993.07-20,692.25-8,705.44

Finding the Fourth Proportional to 14,993.07, 20,692.25 and 8,705.44

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Solution

The fourth proportional to 14,993.07, 20,692.25 and 8,705.44 is: 12,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.07 : 20,692.25 = 8,705.44 : x
  2. Step 2: Convert to fraction form
    14,993.07/20,692.25 = 8,705.44/x
  3. Step 3: Cross multiply
    14,993.07x = 20,692.25 × 8,705.44
  4. Step 4: Simplify right side
    14,993.07x = 180,135,140.84
  5. Step 5: Solve for x
    x = 180,135,140.84/14,993.07
  6. Step 6: Final answer
    x = 12,014.56

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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.