Home / 16,874.28-25,316.34-7,011.72

Finding the Fourth Proportional to 16,874.28, 25,316.34 and 7,011.72

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Solution

The fourth proportional to 16,874.28, 25,316.34 and 7,011.72 is: 10,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.28 : 25,316.34 = 7,011.72 : x
  2. Step 2: Convert to fraction form
    16,874.28/25,316.34 = 7,011.72/x
  3. Step 3: Cross multiply
    16,874.28x = 25,316.34 × 7,011.72
  4. Step 4: Simplify right side
    16,874.28x = 177,511,087.50
  5. Step 5: Solve for x
    x = 177,511,087.50/16,874.28
  6. Step 6: Final answer
    x = 10,519.62

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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.