Home / 19,884.56-27,441.48-11,388.08

Finding the Fourth Proportional to 19,884.56, 27,441.48 and 11,388.08

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Solution

The fourth proportional to 19,884.56, 27,441.48 and 11,388.08 is: 15,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.56 : 27,441.48 = 11,388.08 : x
  2. Step 2: Convert to fraction form
    19,884.56/27,441.48 = 11,388.08/x
  3. Step 3: Cross multiply
    19,884.56x = 27,441.48 × 11,388.08
  4. Step 4: Simplify right side
    19,884.56x = 312,505,769.56
  5. Step 5: Solve for x
    x = 312,505,769.56/19,884.56
  6. Step 6: Final answer
    x = 15,716.00

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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.