Home / 13,453.96-18,567.08-11,212.09

Finding the Fourth Proportional to 13,453.96, 18,567.08 and 11,212.09

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Solution

The fourth proportional to 13,453.96, 18,567.08 and 11,212.09 is: 15,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.96 : 18,567.08 = 11,212.09 : x
  2. Step 2: Convert to fraction form
    13,453.96/18,567.08 = 11,212.09/x
  3. Step 3: Cross multiply
    13,453.96x = 18,567.08 × 11,212.09
  4. Step 4: Simplify right side
    13,453.96x = 208,175,772.00
  5. Step 5: Solve for x
    x = 208,175,772.00/13,453.96
  6. Step 6: Final answer
    x = 15,473.20

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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.