Home / 14,217.12-19,609.83-11,228.22

Finding the Fourth Proportional to 14,217.12, 19,609.83 and 11,228.22

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Solution

The fourth proportional to 14,217.12, 19,609.83 and 11,228.22 is: 15,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.12 : 19,609.83 = 11,228.22 : x
  2. Step 2: Convert to fraction form
    14,217.12/19,609.83 = 11,228.22/x
  3. Step 3: Cross multiply
    14,217.12x = 19,609.83 × 11,228.22
  4. Step 4: Simplify right side
    14,217.12x = 220,183,485.40
  5. Step 5: Solve for x
    x = 220,183,485.40/14,217.12
  6. Step 6: Final answer
    x = 15,487.21

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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.