Home / 16,765.88-25,148.21-4,285.80

Finding the Fourth Proportional to 16,765.88, 25,148.21 and 4,285.80

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Solution

The fourth proportional to 16,765.88, 25,148.21 and 4,285.80 is: 6,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.88 : 25,148.21 = 4,285.80 : x
  2. Step 2: Convert to fraction form
    16,765.88/25,148.21 = 4,285.80/x
  3. Step 3: Cross multiply
    16,765.88x = 25,148.21 × 4,285.80
  4. Step 4: Simplify right side
    16,765.88x = 107,780,176.99
  5. Step 5: Solve for x
    x = 107,780,176.99/16,765.88
  6. Step 6: Final answer
    x = 6,428.54

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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.