Home / 16,730.12-25,078.86-7,962.68

Finding the Fourth Proportional to 16,730.12, 25,078.86 and 7,962.68

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Solution

The fourth proportional to 16,730.12, 25,078.86 and 7,962.68 is: 11,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.12 : 25,078.86 = 7,962.68 : x
  2. Step 2: Convert to fraction form
    16,730.12/25,078.86 = 7,962.68/x
  3. Step 3: Cross multiply
    16,730.12x = 25,078.86 × 7,962.68
  4. Step 4: Simplify right side
    16,730.12x = 199,694,936.94
  5. Step 5: Solve for x
    x = 199,694,936.94/16,730.12
  6. Step 6: Final answer
    x = 11,936.25

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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.