Home / 19,959.44-27,542.85-11,007.05

Finding the Fourth Proportional to 19,959.44, 27,542.85 and 11,007.05

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Solution

The fourth proportional to 19,959.44, 27,542.85 and 11,007.05 is: 15,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.44 : 27,542.85 = 11,007.05 : x
  2. Step 2: Convert to fraction form
    19,959.44/27,542.85 = 11,007.05/x
  3. Step 3: Cross multiply
    19,959.44x = 27,542.85 × 11,007.05
  4. Step 4: Simplify right side
    19,959.44x = 303,165,527.09
  5. Step 5: Solve for x
    x = 303,165,527.09/19,959.44
  6. Step 6: Final answer
    x = 15,189.08

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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.