Home / 13,692.24-18,895.48-8,025.62

Finding the Fourth Proportional to 13,692.24, 18,895.48 and 8,025.62

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Solution

The fourth proportional to 13,692.24, 18,895.48 and 8,025.62 is: 11,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.24 : 18,895.48 = 8,025.62 : x
  2. Step 2: Convert to fraction form
    13,692.24/18,895.48 = 8,025.62/x
  3. Step 3: Cross multiply
    13,692.24x = 18,895.48 × 8,025.62
  4. Step 4: Simplify right side
    13,692.24x = 151,647,827.66
  5. Step 5: Solve for x
    x = 151,647,827.66/13,692.24
  6. Step 6: Final answer
    x = 11,075.46

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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.