Home / 17,187.56-25,780.86-5,500.61

Finding the Fourth Proportional to 17,187.56, 25,780.86 and 5,500.61

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Solution

The fourth proportional to 17,187.56, 25,780.86 and 5,500.61 is: 8,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.56 : 25,780.86 = 5,500.61 : x
  2. Step 2: Convert to fraction form
    17,187.56/25,780.86 = 5,500.61/x
  3. Step 3: Cross multiply
    17,187.56x = 25,780.86 × 5,500.61
  4. Step 4: Simplify right side
    17,187.56x = 141,810,327.42
  5. Step 5: Solve for x
    x = 141,810,327.42/17,187.56
  6. Step 6: Final answer
    x = 8,250.76

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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.