Home / 19,825.83-27,357.71-11,867.88

Finding the Fourth Proportional to 19,825.83, 27,357.71 and 11,867.88

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Solution

The fourth proportional to 19,825.83, 27,357.71 and 11,867.88 is: 16,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.83 : 27,357.71 = 11,867.88 : x
  2. Step 2: Convert to fraction form
    19,825.83/27,357.71 = 11,867.88/x
  3. Step 3: Cross multiply
    19,825.83x = 27,357.71 × 11,867.88
  4. Step 4: Simplify right side
    19,825.83x = 324,678,019.35
  5. Step 5: Solve for x
    x = 324,678,019.35/19,825.83
  6. Step 6: Final answer
    x = 16,376.52

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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.