Home / 19,046.39-26,286.92-11,877.47

Finding the Fourth Proportional to 19,046.39, 26,286.92 and 11,877.47

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Solution

The fourth proportional to 19,046.39, 26,286.92 and 11,877.47 is: 16,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.39 : 26,286.92 = 11,877.47 : x
  2. Step 2: Convert to fraction form
    19,046.39/26,286.92 = 11,877.47/x
  3. Step 3: Cross multiply
    19,046.39x = 26,286.92 × 11,877.47
  4. Step 4: Simplify right side
    19,046.39x = 312,222,055.99
  5. Step 5: Solve for x
    x = 312,222,055.99/19,046.39
  6. Step 6: Final answer
    x = 16,392.72

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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.