Home / 13,181.21-19,792.32-10,692.13

Finding the Fourth Proportional to 13,181.21, 19,792.32 and 10,692.13

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Solution

The fourth proportional to 13,181.21, 19,792.32 and 10,692.13 is: 16,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.21 : 19,792.32 = 10,692.13 : x
  2. Step 2: Convert to fraction form
    13,181.21/19,792.32 = 10,692.13/x
  3. Step 3: Cross multiply
    13,181.21x = 19,792.32 × 10,692.13
  4. Step 4: Simplify right side
    13,181.21x = 211,622,004.98
  5. Step 5: Solve for x
    x = 211,622,004.98/13,181.21
  6. Step 6: Final answer
    x = 16,054.82

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1.5x scale

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.