Home / 13,910.24-19,196.04-7,622.64

Finding the Fourth Proportional to 13,910.24, 19,196.04 and 7,622.64

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Solution

The fourth proportional to 13,910.24, 19,196.04 and 7,622.64 is: 10,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.24 : 19,196.04 = 7,622.64 : x
  2. Step 2: Convert to fraction form
    13,910.24/19,196.04 = 7,622.64/x
  3. Step 3: Cross multiply
    13,910.24x = 19,196.04 × 7,622.64
  4. Step 4: Simplify right side
    13,910.24x = 146,324,502.35
  5. Step 5: Solve for x
    x = 146,324,502.35/13,910.24
  6. Step 6: Final answer
    x = 10,519.19

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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.