Home / 27,133.94-37,449.34-18,629.10

Finding the Fourth Proportional to 27,133.94, 37,449.34 and 18,629.10

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Solution

The fourth proportional to 27,133.94, 37,449.34 and 18,629.10 is: 25,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.94 : 37,449.34 = 18,629.10 : x
  2. Step 2: Convert to fraction form
    27,133.94/37,449.34 = 18,629.10/x
  3. Step 3: Cross multiply
    27,133.94x = 37,449.34 × 18,629.10
  4. Step 4: Simplify right side
    27,133.94x = 697,647,453.22
  5. Step 5: Solve for x
    x = 697,647,453.22/27,133.94
  6. Step 6: Final answer
    x = 25,711.25

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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.