Home / 13,076.57-19,603.79-5,675.46

Finding the Fourth Proportional to 13,076.57, 19,603.79 and 5,675.46

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Solution

The fourth proportional to 13,076.57, 19,603.79 and 5,675.46 is: 8,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.57 : 19,603.79 = 5,675.46 : x
  2. Step 2: Convert to fraction form
    13,076.57/19,603.79 = 5,675.46/x
  3. Step 3: Cross multiply
    13,076.57x = 19,603.79 × 5,675.46
  4. Step 4: Simplify right side
    13,076.57x = 111,260,497.62
  5. Step 5: Solve for x
    x = 111,260,497.62/13,076.57
  6. Step 6: Final answer
    x = 8,508.39

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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.