Home / 16,778.12-25,148.72-6,912.02

Finding the Fourth Proportional to 16,778.12, 25,148.72 and 6,912.02

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Solution

The fourth proportional to 16,778.12, 25,148.72 and 6,912.02 is: 10,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.12 : 25,148.72 = 6,912.02 : x
  2. Step 2: Convert to fraction form
    16,778.12/25,148.72 = 6,912.02/x
  3. Step 3: Cross multiply
    16,778.12x = 25,148.72 × 6,912.02
  4. Step 4: Simplify right side
    16,778.12x = 173,828,389.62
  5. Step 5: Solve for x
    x = 173,828,389.62/16,778.12
  6. Step 6: Final answer
    x = 10,360.42

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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.