Home / 19,936.96-27,527.68-12,867.52

Finding the Fourth Proportional to 19,936.96, 27,527.68 and 12,867.52

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Solution

The fourth proportional to 19,936.96, 27,527.68 and 12,867.52 is: 17,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.96 : 27,527.68 = 12,867.52 : x
  2. Step 2: Convert to fraction form
    19,936.96/27,527.68 = 12,867.52/x
  3. Step 3: Cross multiply
    19,936.96x = 27,527.68 × 12,867.52
  4. Step 4: Simplify right side
    19,936.96x = 354,212,972.95
  5. Step 5: Solve for x
    x = 354,212,972.95/19,936.96
  6. Step 6: Final answer
    x = 17,766.65

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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.