Home / 19,382.06-26,747.41-11,321.35

Finding the Fourth Proportional to 19,382.06, 26,747.41 and 11,321.35

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Solution

The fourth proportional to 19,382.06, 26,747.41 and 11,321.35 is: 15,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.06 : 26,747.41 = 11,321.35 : x
  2. Step 2: Convert to fraction form
    19,382.06/26,747.41 = 11,321.35/x
  3. Step 3: Cross multiply
    19,382.06x = 26,747.41 × 11,321.35
  4. Step 4: Simplify right side
    19,382.06x = 302,816,790.20
  5. Step 5: Solve for x
    x = 302,816,790.20/19,382.06
  6. Step 6: Final answer
    x = 15,623.56

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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.