Home / 20,172.14-27,837.06-11,673.08

Finding the Fourth Proportional to 20,172.14, 27,837.06 and 11,673.08

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Solution

The fourth proportional to 20,172.14, 27,837.06 and 11,673.08 is: 16,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.14 : 27,837.06 = 11,673.08 : x
  2. Step 2: Convert to fraction form
    20,172.14/27,837.06 = 11,673.08/x
  3. Step 3: Cross multiply
    20,172.14x = 27,837.06 × 11,673.08
  4. Step 4: Simplify right side
    20,172.14x = 324,944,372.02
  5. Step 5: Solve for x
    x = 324,944,372.02/20,172.14
  6. Step 6: Final answer
    x = 16,108.57

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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.