Home / 19,914.56-27,480.58-11,416.60

Finding the Fourth Proportional to 19,914.56, 27,480.58 and 11,416.60

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Solution

The fourth proportional to 19,914.56, 27,480.58 and 11,416.60 is: 15,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.56 : 27,480.58 = 11,416.60 : x
  2. Step 2: Convert to fraction form
    19,914.56/27,480.58 = 11,416.60/x
  3. Step 3: Cross multiply
    19,914.56x = 27,480.58 × 11,416.60
  4. Step 4: Simplify right side
    19,914.56x = 313,734,789.63
  5. Step 5: Solve for x
    x = 313,734,789.63/19,914.56
  6. Step 6: Final answer
    x = 15,754.04

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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.