Home / 19,613.97-27,070.88-11,660.58

Finding the Fourth Proportional to 19,613.97, 27,070.88 and 11,660.58

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Solution

The fourth proportional to 19,613.97, 27,070.88 and 11,660.58 is: 16,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.97 : 27,070.88 = 11,660.58 : x
  2. Step 2: Convert to fraction form
    19,613.97/27,070.88 = 11,660.58/x
  3. Step 3: Cross multiply
    19,613.97x = 27,070.88 × 11,660.58
  4. Step 4: Simplify right side
    19,613.97x = 315,662,103.61
  5. Step 5: Solve for x
    x = 315,662,103.61/19,613.97
  6. Step 6: Final answer
    x = 16,093.74

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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.