Home / 13,910.09-19,195.92-7,622.46

Finding the Fourth Proportional to 13,910.09, 19,195.92 and 7,622.46

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Solution

The fourth proportional to 13,910.09, 19,195.92 and 7,622.46 is: 10,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.09 : 19,195.92 = 7,622.46 : x
  2. Step 2: Convert to fraction form
    13,910.09/19,195.92 = 7,622.46/x
  3. Step 3: Cross multiply
    13,910.09x = 19,195.92 × 7,622.46
  4. Step 4: Simplify right side
    13,910.09x = 146,320,132.36
  5. Step 5: Solve for x
    x = 146,320,132.36/13,910.09
  6. Step 6: Final answer
    x = 10,519.00

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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.