Home / 36,609.80-54,929.58-13,238.12

Finding the Fourth Proportional to 36,609.80, 54,929.58 and 13,238.12

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Solution

The fourth proportional to 36,609.80, 54,929.58 and 13,238.12 is: 19,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.80 : 54,929.58 = 13,238.12 : x
  2. Step 2: Convert to fraction form
    36,609.80/54,929.58 = 13,238.12/x
  3. Step 3: Cross multiply
    36,609.80x = 54,929.58 × 13,238.12
  4. Step 4: Simplify right side
    36,609.80x = 727,164,371.59
  5. Step 5: Solve for x
    x = 727,164,371.59/36,609.80
  6. Step 6: Final answer
    x = 19,862.56

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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.