Home / 19,943.55-27,521.37-11,986.52

Finding the Fourth Proportional to 19,943.55, 27,521.37 and 11,986.52

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Solution

The fourth proportional to 19,943.55, 27,521.37 and 11,986.52 is: 16,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.55 : 27,521.37 = 11,986.52 : x
  2. Step 2: Convert to fraction form
    19,943.55/27,521.37 = 11,986.52/x
  3. Step 3: Cross multiply
    19,943.55x = 27,521.37 × 11,986.52
  4. Step 4: Simplify right side
    19,943.55x = 329,885,314.33
  5. Step 5: Solve for x
    x = 329,885,314.33/19,943.55
  6. Step 6: Final answer
    x = 16,540.95

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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.