Home / 36,819.22-55,212.42-13,429.25

Finding the Fourth Proportional to 36,819.22, 55,212.42 and 13,429.25

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Solution

The fourth proportional to 36,819.22, 55,212.42 and 13,429.25 is: 20,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.22 : 55,212.42 = 13,429.25 : x
  2. Step 2: Convert to fraction form
    36,819.22/55,212.42 = 13,429.25/x
  3. Step 3: Cross multiply
    36,819.22x = 55,212.42 × 13,429.25
  4. Step 4: Simplify right side
    36,819.22x = 741,461,391.29
  5. Step 5: Solve for x
    x = 741,461,391.29/36,819.22
  6. Step 6: Final answer
    x = 20,137.89

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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.