Home / 19,724.39-27,216.43-11,656.92

Finding the Fourth Proportional to 19,724.39, 27,216.43 and 11,656.92

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Solution

The fourth proportional to 19,724.39, 27,216.43 and 11,656.92 is: 16,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.39 : 27,216.43 = 11,656.92 : x
  2. Step 2: Convert to fraction form
    19,724.39/27,216.43 = 11,656.92/x
  3. Step 3: Cross multiply
    19,724.39x = 27,216.43 × 11,656.92
  4. Step 4: Simplify right side
    19,724.39x = 317,259,747.20
  5. Step 5: Solve for x
    x = 317,259,747.20/19,724.39
  6. Step 6: Final answer
    x = 16,084.64

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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.