Home / 19,951.12-27,527.88-11,993.68

Finding the Fourth Proportional to 19,951.12, 27,527.88 and 11,993.68

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Solution

The fourth proportional to 19,951.12, 27,527.88 and 11,993.68 is: 16,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.12 : 27,527.88 = 11,993.68 : x
  2. Step 2: Convert to fraction form
    19,951.12/27,527.88 = 11,993.68/x
  3. Step 3: Cross multiply
    19,951.12x = 27,527.88 × 11,993.68
  4. Step 4: Simplify right side
    19,951.12x = 330,160,583.80
  5. Step 5: Solve for x
    x = 330,160,583.80/19,951.12
  6. Step 6: Final answer
    x = 16,548.47

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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.