Home / 19,382.16-26,749.80-11,001.36

Finding the Fourth Proportional to 19,382.16, 26,749.80 and 11,001.36

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Solution

The fourth proportional to 19,382.16, 26,749.80 and 11,001.36 is: 15,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.16 : 26,749.80 = 11,001.36 : x
  2. Step 2: Convert to fraction form
    19,382.16/26,749.80 = 11,001.36/x
  3. Step 3: Cross multiply
    19,382.16x = 26,749.80 × 11,001.36
  4. Step 4: Simplify right side
    19,382.16x = 294,284,179.73
  5. Step 5: Solve for x
    x = 294,284,179.73/19,382.16
  6. Step 6: Final answer
    x = 15,183.25

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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.