Home / 13,936.98-19,235.98-8,351.22

Finding the Fourth Proportional to 13,936.98, 19,235.98 and 8,351.22

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Solution

The fourth proportional to 13,936.98, 19,235.98 and 8,351.22 is: 11,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.98 : 19,235.98 = 8,351.22 : x
  2. Step 2: Convert to fraction form
    13,936.98/19,235.98 = 8,351.22/x
  3. Step 3: Cross multiply
    13,936.98x = 19,235.98 × 8,351.22
  4. Step 4: Simplify right side
    13,936.98x = 160,643,900.90
  5. Step 5: Solve for x
    x = 160,643,900.90/13,936.98
  6. Step 6: Final answer
    x = 11,526.45

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Double scale
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Similar ratio
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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.