Home / 20,246.26-27,924.06-13,174.96

Finding the Fourth Proportional to 20,246.26, 27,924.06 and 13,174.96

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Solution

The fourth proportional to 20,246.26, 27,924.06 and 13,174.96 is: 18,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.26 : 27,924.06 = 13,174.96 : x
  2. Step 2: Convert to fraction form
    20,246.26/27,924.06 = 13,174.96/x
  3. Step 3: Cross multiply
    20,246.26x = 27,924.06 × 13,174.96
  4. Step 4: Simplify right side
    20,246.26x = 367,898,373.54
  5. Step 5: Solve for x
    x = 367,898,373.54/20,246.26
  6. Step 6: Final answer
    x = 18,171.18

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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.