Home / 25,667.35-38,513.32-12,512.54

Finding the Fourth Proportional to 25,667.35, 38,513.32 and 12,512.54

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Solution

The fourth proportional to 25,667.35, 38,513.32 and 12,512.54 is: 18,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.35 : 38,513.32 = 12,512.54 : x
  2. Step 2: Convert to fraction form
    25,667.35/38,513.32 = 12,512.54/x
  3. Step 3: Cross multiply
    25,667.35x = 38,513.32 × 12,512.54
  4. Step 4: Simplify right side
    25,667.35x = 481,899,522.03
  5. Step 5: Solve for x
    x = 481,899,522.03/25,667.35
  6. Step 6: Final answer
    x = 18,774.81

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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.