Home / 19,076.58-28,603.62-7,828.56

Finding the Fourth Proportional to 19,076.58, 28,603.62 and 7,828.56

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Solution

The fourth proportional to 19,076.58, 28,603.62 and 7,828.56 is: 11,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.58 : 28,603.62 = 7,828.56 : x
  2. Step 2: Convert to fraction form
    19,076.58/28,603.62 = 7,828.56/x
  3. Step 3: Cross multiply
    19,076.58x = 28,603.62 × 7,828.56
  4. Step 4: Simplify right side
    19,076.58x = 223,925,155.39
  5. Step 5: Solve for x
    x = 223,925,155.39/19,076.58
  6. Step 6: Final answer
    x = 11,738.22

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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.