Home / 19,218.66-26,517.70-11,668.96

Finding the Fourth Proportional to 19,218.66, 26,517.70 and 11,668.96

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Solution

The fourth proportional to 19,218.66, 26,517.70 and 11,668.96 is: 16,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.66 : 26,517.70 = 11,668.96 : x
  2. Step 2: Convert to fraction form
    19,218.66/26,517.70 = 11,668.96/x
  3. Step 3: Cross multiply
    19,218.66x = 26,517.70 × 11,668.96
  4. Step 4: Simplify right side
    19,218.66x = 309,433,980.59
  5. Step 5: Solve for x
    x = 309,433,980.59/19,218.66
  6. Step 6: Final answer
    x = 16,100.71

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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.