Home / 13,914.88-20,872.48-4,054.24

Finding the Fourth Proportional to 13,914.88, 20,872.48 and 4,054.24

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Solution

The fourth proportional to 13,914.88, 20,872.48 and 4,054.24 is: 6,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.88 : 20,872.48 = 4,054.24 : x
  2. Step 2: Convert to fraction form
    13,914.88/20,872.48 = 4,054.24/x
  3. Step 3: Cross multiply
    13,914.88x = 20,872.48 × 4,054.24
  4. Step 4: Simplify right side
    13,914.88x = 84,622,043.32
  5. Step 5: Solve for x
    x = 84,622,043.32/13,914.88
  6. Step 6: Final answer
    x = 6,081.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.