Home / 19,708.26-27,197.22-12,151.58

Finding the Fourth Proportional to 19,708.26, 27,197.22 and 12,151.58

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Solution

The fourth proportional to 19,708.26, 27,197.22 and 12,151.58 is: 16,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.26 : 27,197.22 = 12,151.58 : x
  2. Step 2: Convert to fraction form
    19,708.26/27,197.22 = 12,151.58/x
  3. Step 3: Cross multiply
    19,708.26x = 27,197.22 × 12,151.58
  4. Step 4: Simplify right side
    19,708.26x = 330,489,194.61
  5. Step 5: Solve for x
    x = 330,489,194.61/19,708.26
  6. Step 6: Final answer
    x = 16,769.07

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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.