Home / 19,958.87-27,554.72-13,253.69

Finding the Fourth Proportional to 19,958.87, 27,554.72 and 13,253.69

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Solution

The fourth proportional to 19,958.87, 27,554.72 and 13,253.69 is: 18,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.87 : 27,554.72 = 13,253.69 : x
  2. Step 2: Convert to fraction form
    19,958.87/27,554.72 = 13,253.69/x
  3. Step 3: Cross multiply
    19,958.87x = 27,554.72 × 13,253.69
  4. Step 4: Simplify right side
    19,958.87x = 365,201,719.54
  5. Step 5: Solve for x
    x = 365,201,719.54/19,958.87
  6. Step 6: Final answer
    x = 18,297.71

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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.