Home / 13,194.72-19,794.48-4,429.68

Finding the Fourth Proportional to 13,194.72, 19,794.48 and 4,429.68

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Solution

The fourth proportional to 13,194.72, 19,794.48 and 4,429.68 is: 6,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.72 : 19,794.48 = 4,429.68 : x
  2. Step 2: Convert to fraction form
    13,194.72/19,794.48 = 4,429.68/x
  3. Step 3: Cross multiply
    13,194.72x = 19,794.48 × 4,429.68
  4. Step 4: Simplify right side
    13,194.72x = 87,683,212.17
  5. Step 5: Solve for x
    x = 87,683,212.17/13,194.72
  6. Step 6: Final answer
    x = 6,645.33

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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.