Home / 19,626.60-27,081.70-11,668.68

Finding the Fourth Proportional to 19,626.60, 27,081.70 and 11,668.68

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Solution

The fourth proportional to 19,626.60, 27,081.70 and 11,668.68 is: 16,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.60 : 27,081.70 = 11,668.68 : x
  2. Step 2: Convert to fraction form
    19,626.60/27,081.70 = 11,668.68/x
  3. Step 3: Cross multiply
    19,626.60x = 27,081.70 × 11,668.68
  4. Step 4: Simplify right side
    19,626.60x = 316,007,691.16
  5. Step 5: Solve for x
    x = 316,007,691.16/19,626.60
  6. Step 6: Final answer
    x = 16,100.99

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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.