Home / 13,914.56-19,087.73-13,161.32

Finding the Fourth Proportional to 13,914.56, 19,087.73 and 13,161.32

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Solution

The fourth proportional to 13,914.56, 19,087.73 and 13,161.32 is: 18,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.56 : 19,087.73 = 13,161.32 : x
  2. Step 2: Convert to fraction form
    13,914.56/19,087.73 = 13,161.32/x
  3. Step 3: Cross multiply
    13,914.56x = 19,087.73 × 13,161.32
  4. Step 4: Simplify right side
    13,914.56x = 251,219,722.60
  5. Step 5: Solve for x
    x = 251,219,722.60/13,914.56
  6. Step 6: Final answer
    x = 18,054.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.