Home / 12,464.94-17,184.39-9,955.50

Finding the Fourth Proportional to 12,464.94, 17,184.39 and 9,955.50

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Solution

The fourth proportional to 12,464.94, 17,184.39 and 9,955.50 is: 13,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.94 : 17,184.39 = 9,955.50 : x
  2. Step 2: Convert to fraction form
    12,464.94/17,184.39 = 9,955.50/x
  3. Step 3: Cross multiply
    12,464.94x = 17,184.39 × 9,955.50
  4. Step 4: Simplify right side
    12,464.94x = 171,079,194.65
  5. Step 5: Solve for x
    x = 171,079,194.65/12,464.94
  6. Step 6: Final answer
    x = 13,724.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.