Home / 13,228.20-19,855.26-10,792.68

Finding the Fourth Proportional to 13,228.20, 19,855.26 and 10,792.68

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Solution

The fourth proportional to 13,228.20, 19,855.26 and 10,792.68 is: 16,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.20 : 19,855.26 = 10,792.68 : x
  2. Step 2: Convert to fraction form
    13,228.20/19,855.26 = 10,792.68/x
  3. Step 3: Cross multiply
    13,228.20x = 19,855.26 × 10,792.68
  4. Step 4: Simplify right side
    13,228.20x = 214,291,467.50
  5. Step 5: Solve for x
    x = 214,291,467.50/13,228.20
  6. Step 6: Final answer
    x = 16,199.59

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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.