Home / 20,072.17-27,699.63-10,997.33

Finding the Fourth Proportional to 20,072.17, 27,699.63 and 10,997.33

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Solution

The fourth proportional to 20,072.17, 27,699.63 and 10,997.33 is: 15,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.17 : 27,699.63 = 10,997.33 : x
  2. Step 2: Convert to fraction form
    20,072.17/27,699.63 = 10,997.33/x
  3. Step 3: Cross multiply
    20,072.17x = 27,699.63 × 10,997.33
  4. Step 4: Simplify right side
    20,072.17x = 304,621,971.99
  5. Step 5: Solve for x
    x = 304,621,971.99/20,072.17
  6. Step 6: Final answer
    x = 15,176.33

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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.