Home / 27,212.37-37,568.68-18,135.32

Finding the Fourth Proportional to 27,212.37, 37,568.68 and 18,135.32

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Solution

The fourth proportional to 27,212.37, 37,568.68 and 18,135.32 is: 25,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.37 : 37,568.68 = 18,135.32 : x
  2. Step 2: Convert to fraction form
    27,212.37/37,568.68 = 18,135.32/x
  3. Step 3: Cross multiply
    27,212.37x = 37,568.68 × 18,135.32
  4. Step 4: Simplify right side
    27,212.37x = 681,319,943.10
  5. Step 5: Solve for x
    x = 681,319,943.10/27,212.37
  6. Step 6: Final answer
    x = 25,037.15

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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.