Home / 27,137.42-37,462.46-18,190.77

Finding the Fourth Proportional to 27,137.42, 37,462.46 and 18,190.77

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Solution

The fourth proportional to 27,137.42, 37,462.46 and 18,190.77 is: 25,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.42 : 37,462.46 = 18,190.77 : x
  2. Step 2: Convert to fraction form
    27,137.42/37,462.46 = 18,190.77/x
  3. Step 3: Cross multiply
    27,137.42x = 37,462.46 × 18,190.77
  4. Step 4: Simplify right side
    27,137.42x = 681,470,993.49
  5. Step 5: Solve for x
    x = 681,470,993.49/27,137.42
  6. Step 6: Final answer
    x = 25,111.86

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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.