Home / 16,790.28-25,181.48-7,425.20

Finding the Fourth Proportional to 16,790.28, 25,181.48 and 7,425.20

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Solution

The fourth proportional to 16,790.28, 25,181.48 and 7,425.20 is: 11,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.28 : 25,181.48 = 7,425.20 : x
  2. Step 2: Convert to fraction form
    16,790.28/25,181.48 = 7,425.20/x
  3. Step 3: Cross multiply
    16,790.28x = 25,181.48 × 7,425.20
  4. Step 4: Simplify right side
    16,790.28x = 186,977,525.30
  5. Step 5: Solve for x
    x = 186,977,525.30/16,790.28
  6. Step 6: Final answer
    x = 11,136.06

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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.