Home / 27,745.88-38,289.26-14,999.07

Finding the Fourth Proportional to 27,745.88, 38,289.26 and 14,999.07

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Solution

The fourth proportional to 27,745.88, 38,289.26 and 14,999.07 is: 20,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.88 : 38,289.26 = 14,999.07 : x
  2. Step 2: Convert to fraction form
    27,745.88/38,289.26 = 14,999.07/x
  3. Step 3: Cross multiply
    27,745.88x = 38,289.26 × 14,999.07
  4. Step 4: Simplify right side
    27,745.88x = 574,303,289.45
  5. Step 5: Solve for x
    x = 574,303,289.45/27,745.88
  6. Step 6: Final answer
    x = 20,698.69

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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.