Home / 16,984.16-25,479.30-6,987.14

Finding the Fourth Proportional to 16,984.16, 25,479.30 and 6,987.14

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Solution

The fourth proportional to 16,984.16, 25,479.30 and 6,987.14 is: 10,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.16 : 25,479.30 = 6,987.14 : x
  2. Step 2: Convert to fraction form
    16,984.16/25,479.30 = 6,987.14/x
  3. Step 3: Cross multiply
    16,984.16x = 25,479.30 × 6,987.14
  4. Step 4: Simplify right side
    16,984.16x = 178,027,436.20
  5. Step 5: Solve for x
    x = 178,027,436.20/16,984.16
  6. Step 6: Final answer
    x = 10,481.97

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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.