Home / 19,951.62-27,531.54-11,453.55

Finding the Fourth Proportional to 19,951.62, 27,531.54 and 11,453.55

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Solution

The fourth proportional to 19,951.62, 27,531.54 and 11,453.55 is: 15,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.62 : 27,531.54 = 11,453.55 : x
  2. Step 2: Convert to fraction form
    19,951.62/27,531.54 = 11,453.55/x
  3. Step 3: Cross multiply
    19,951.62x = 27,531.54 × 11,453.55
  4. Step 4: Simplify right side
    19,951.62x = 315,333,869.97
  5. Step 5: Solve for x
    x = 315,333,869.97/19,951.62
  6. Step 6: Final answer
    x = 15,804.93

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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.