Home / 16,776.80-25,181.40-8,466.20

Finding the Fourth Proportional to 16,776.80, 25,181.40 and 8,466.20

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Solution

The fourth proportional to 16,776.80, 25,181.40 and 8,466.20 is: 12,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.80 : 25,181.40 = 8,466.20 : x
  2. Step 2: Convert to fraction form
    16,776.80/25,181.40 = 8,466.20/x
  3. Step 3: Cross multiply
    16,776.80x = 25,181.40 × 8,466.20
  4. Step 4: Simplify right side
    16,776.80x = 213,190,768.68
  5. Step 5: Solve for x
    x = 213,190,768.68/16,776.80
  6. Step 6: Final answer
    x = 12,707.48

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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.