Home / 19,951.41-27,538.25-11,782.17

Finding the Fourth Proportional to 19,951.41, 27,538.25 and 11,782.17

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Solution

The fourth proportional to 19,951.41, 27,538.25 and 11,782.17 is: 16,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.41 : 27,538.25 = 11,782.17 : x
  2. Step 2: Convert to fraction form
    19,951.41/27,538.25 = 11,782.17/x
  3. Step 3: Cross multiply
    19,951.41x = 27,538.25 × 11,782.17
  4. Step 4: Simplify right side
    19,951.41x = 324,460,284.09
  5. Step 5: Solve for x
    x = 324,460,284.09/19,951.41
  6. Step 6: Final answer
    x = 16,262.52

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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.