Home / 17,190.60-25,770.90-6,667.80

Finding the Fourth Proportional to 17,190.60, 25,770.90 and 6,667.80

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Solution

The fourth proportional to 17,190.60, 25,770.90 and 6,667.80 is: 9,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.60 : 25,770.90 = 6,667.80 : x
  2. Step 2: Convert to fraction form
    17,190.60/25,770.90 = 6,667.80/x
  3. Step 3: Cross multiply
    17,190.60x = 25,770.90 × 6,667.80
  4. Step 4: Simplify right side
    17,190.60x = 171,835,207.02
  5. Step 5: Solve for x
    x = 171,835,207.02/17,190.60
  6. Step 6: Final answer
    x = 9,995.88

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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.