Home / 17,122.05-25,667.07-8,783.61

Finding the Fourth Proportional to 17,122.05, 25,667.07 and 8,783.61

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Solution

The fourth proportional to 17,122.05, 25,667.07 and 8,783.61 is: 13,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.05 : 25,667.07 = 8,783.61 : x
  2. Step 2: Convert to fraction form
    17,122.05/25,667.07 = 8,783.61/x
  3. Step 3: Cross multiply
    17,122.05x = 25,667.07 × 8,783.61
  4. Step 4: Simplify right side
    17,122.05x = 225,449,532.72
  5. Step 5: Solve for x
    x = 225,449,532.72/17,122.05
  6. Step 6: Final answer
    x = 13,167.20

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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.