Home / 25,667.94-38,501.82-20,506.62

Finding the Fourth Proportional to 25,667.94, 38,501.82 and 20,506.62

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Solution

The fourth proportional to 25,667.94, 38,501.82 and 20,506.62 is: 30,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.94 : 38,501.82 = 20,506.62 : x
  2. Step 2: Convert to fraction form
    25,667.94/38,501.82 = 20,506.62/x
  3. Step 3: Cross multiply
    25,667.94x = 38,501.82 × 20,506.62
  4. Step 4: Simplify right side
    25,667.94x = 789,542,192.05
  5. Step 5: Solve for x
    x = 789,542,192.05/25,667.94
  6. Step 6: Final answer
    x = 30,759.86

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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.