Home / 27,652.14-38,147.82-18,696.39

Finding the Fourth Proportional to 27,652.14, 38,147.82 and 18,696.39

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Solution

The fourth proportional to 27,652.14, 38,147.82 and 18,696.39 is: 25,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.14 : 38,147.82 = 18,696.39 : x
  2. Step 2: Convert to fraction form
    27,652.14/38,147.82 = 18,696.39/x
  3. Step 3: Cross multiply
    27,652.14x = 38,147.82 × 18,696.39
  4. Step 4: Simplify right side
    27,652.14x = 713,226,520.37
  5. Step 5: Solve for x
    x = 713,226,520.37/27,652.14
  6. Step 6: Final answer
    x = 25,792.81

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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.