Home / 20,241.12-27,945.74-13,074.26

Finding the Fourth Proportional to 20,241.12, 27,945.74 and 13,074.26

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Solution

The fourth proportional to 20,241.12, 27,945.74 and 13,074.26 is: 18,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.12 : 27,945.74 = 13,074.26 : x
  2. Step 2: Convert to fraction form
    20,241.12/27,945.74 = 13,074.26/x
  3. Step 3: Cross multiply
    20,241.12x = 27,945.74 × 13,074.26
  4. Step 4: Simplify right side
    20,241.12x = 365,369,870.65
  5. Step 5: Solve for x
    x = 365,369,870.65/20,241.12
  6. Step 6: Final answer
    x = 18,050.87

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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.