Home / 19,825.41-27,352.02-11,321.43

Finding the Fourth Proportional to 19,825.41, 27,352.02 and 11,321.43

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Solution

The fourth proportional to 19,825.41, 27,352.02 and 11,321.43 is: 15,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.41 : 27,352.02 = 11,321.43 : x
  2. Step 2: Convert to fraction form
    19,825.41/27,352.02 = 11,321.43/x
  3. Step 3: Cross multiply
    19,825.41x = 27,352.02 × 11,321.43
  4. Step 4: Simplify right side
    19,825.41x = 309,663,979.79
  5. Step 5: Solve for x
    x = 309,663,979.79/19,825.41
  6. Step 6: Final answer
    x = 15,619.55

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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.