Home / 13,025.49-17,974.11-7,647.36

Finding the Fourth Proportional to 13,025.49, 17,974.11 and 7,647.36

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Solution

The fourth proportional to 13,025.49, 17,974.11 and 7,647.36 is: 10,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.49 : 17,974.11 = 7,647.36 : x
  2. Step 2: Convert to fraction form
    13,025.49/17,974.11 = 7,647.36/x
  3. Step 3: Cross multiply
    13,025.49x = 17,974.11 × 7,647.36
  4. Step 4: Simplify right side
    13,025.49x = 137,454,489.85
  5. Step 5: Solve for x
    x = 137,454,489.85/13,025.49
  6. Step 6: Final answer
    x = 10,552.73

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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.