Home / 35,778.44-53,665.94-13,590.09

Finding the Fourth Proportional to 35,778.44, 53,665.94 and 13,590.09

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Solution

The fourth proportional to 35,778.44, 53,665.94 and 13,590.09 is: 20,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.44 : 53,665.94 = 13,590.09 : x
  2. Step 2: Convert to fraction form
    35,778.44/53,665.94 = 13,590.09/x
  3. Step 3: Cross multiply
    35,778.44x = 53,665.94 × 13,590.09
  4. Step 4: Simplify right side
    35,778.44x = 729,324,954.53
  5. Step 5: Solve for x
    x = 729,324,954.53/35,778.44
  6. Step 6: Final answer
    x = 20,384.48

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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.