Home / 19,286.07-28,902.83-11,792.25

Finding the Fourth Proportional to 19,286.07, 28,902.83 and 11,792.25

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Solution

The fourth proportional to 19,286.07, 28,902.83 and 11,792.25 is: 17,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.07 : 28,902.83 = 11,792.25 : x
  2. Step 2: Convert to fraction form
    19,286.07/28,902.83 = 11,792.25/x
  3. Step 3: Cross multiply
    19,286.07x = 28,902.83 × 11,792.25
  4. Step 4: Simplify right side
    19,286.07x = 340,829,338.11
  5. Step 5: Solve for x
    x = 340,829,338.11/19,286.07
  6. Step 6: Final answer
    x = 17,672.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.