Home / 27,454.07-37,917.75-18,485.99

Finding the Fourth Proportional to 27,454.07, 37,917.75 and 18,485.99

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Solution

The fourth proportional to 27,454.07, 37,917.75 and 18,485.99 is: 25,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454.07 : 37,917.75 = 18,485.99 : x
  2. Step 2: Convert to fraction form
    27,454.07/37,917.75 = 18,485.99/x
  3. Step 3: Cross multiply
    27,454.07x = 37,917.75 × 18,485.99
  4. Step 4: Simplify right side
    27,454.07x = 700,947,169.25
  5. Step 5: Solve for x
    x = 700,947,169.25/27,454.07
  6. Step 6: Final answer
    x = 25,531.63

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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.