Home / 19,936.06-27,511.64-10,983.36

Finding the Fourth Proportional to 19,936.06, 27,511.64 and 10,983.36

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Solution

The fourth proportional to 19,936.06, 27,511.64 and 10,983.36 is: 15,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.06 : 27,511.64 = 10,983.36 : x
  2. Step 2: Convert to fraction form
    19,936.06/27,511.64 = 10,983.36/x
  3. Step 3: Cross multiply
    19,936.06x = 27,511.64 × 10,983.36
  4. Step 4: Simplify right side
    19,936.06x = 302,170,053.84
  5. Step 5: Solve for x
    x = 302,170,053.84/19,936.06
  6. Step 6: Final answer
    x = 15,156.96

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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.