Home / 15,936.19-21,997.42-9,648.56

Finding the Fourth Proportional to 15,936.19, 21,997.42 and 9,648.56

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Solution

The fourth proportional to 15,936.19, 21,997.42 and 9,648.56 is: 13,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.19 : 21,997.42 = 9,648.56 : x
  2. Step 2: Convert to fraction form
    15,936.19/21,997.42 = 9,648.56/x
  3. Step 3: Cross multiply
    15,936.19x = 21,997.42 × 9,648.56
  4. Step 4: Simplify right side
    15,936.19x = 212,243,457.59
  5. Step 5: Solve for x
    x = 212,243,457.59/15,936.19
  6. Step 6: Final answer
    x = 13,318.33

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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.