Home / 13,936.05-19,232.64-9,212.13

Finding the Fourth Proportional to 13,936.05, 19,232.64 and 9,212.13

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Solution

The fourth proportional to 13,936.05, 19,232.64 and 9,212.13 is: 12,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.05 : 19,232.64 = 9,212.13 : x
  2. Step 2: Convert to fraction form
    13,936.05/19,232.64 = 9,212.13/x
  3. Step 3: Cross multiply
    13,936.05x = 19,232.64 × 9,212.13
  4. Step 4: Simplify right side
    13,936.05x = 177,173,579.92
  5. Step 5: Solve for x
    x = 177,173,579.92/13,936.05
  6. Step 6: Final answer
    x = 12,713.33

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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.