Home / 16,987.91-25,481.88-6,599.66

Finding the Fourth Proportional to 16,987.91, 25,481.88 and 6,599.66

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Solution

The fourth proportional to 16,987.91, 25,481.88 and 6,599.66 is: 9,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.91 : 25,481.88 = 6,599.66 : x
  2. Step 2: Convert to fraction form
    16,987.91/25,481.88 = 6,599.66/x
  3. Step 3: Cross multiply
    16,987.91x = 25,481.88 × 6,599.66
  4. Step 4: Simplify right side
    16,987.91x = 168,171,616.75
  5. Step 5: Solve for x
    x = 168,171,616.75/16,987.91
  6. Step 6: Final answer
    x = 9,899.49

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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.