Home / 19,629.16-27,091.71-11,563.25

Finding the Fourth Proportional to 19,629.16, 27,091.71 and 11,563.25

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Solution

The fourth proportional to 19,629.16, 27,091.71 and 11,563.25 is: 15,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.16 : 27,091.71 = 11,563.25 : x
  2. Step 2: Convert to fraction form
    19,629.16/27,091.71 = 11,563.25/x
  3. Step 3: Cross multiply
    19,629.16x = 27,091.71 × 11,563.25
  4. Step 4: Simplify right side
    19,629.16x = 313,268,080.20
  5. Step 5: Solve for x
    x = 313,268,080.20/19,629.16
  6. Step 6: Final answer
    x = 15,959.32

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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.