Home / 13,974.45-19,285.42-8,006.13

Finding the Fourth Proportional to 13,974.45, 19,285.42 and 8,006.13

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Solution

The fourth proportional to 13,974.45, 19,285.42 and 8,006.13 is: 11,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.45 : 19,285.42 = 8,006.13 : x
  2. Step 2: Convert to fraction form
    13,974.45/19,285.42 = 8,006.13/x
  3. Step 3: Cross multiply
    13,974.45x = 19,285.42 × 8,006.13
  4. Step 4: Simplify right side
    13,974.45x = 154,401,661.95
  5. Step 5: Solve for x
    x = 154,401,661.95/13,974.45
  6. Step 6: Final answer
    x = 11,048.85

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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.