Home / 12,850.65-19,276.92-5,454.27

Finding the Fourth Proportional to 12,850.65, 19,276.92 and 5,454.27

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Solution

The fourth proportional to 12,850.65, 19,276.92 and 5,454.27 is: 8,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.65 : 19,276.92 = 5,454.27 : x
  2. Step 2: Convert to fraction form
    12,850.65/19,276.92 = 5,454.27/x
  3. Step 3: Cross multiply
    12,850.65x = 19,276.92 × 5,454.27
  4. Step 4: Simplify right side
    12,850.65x = 105,141,526.45
  5. Step 5: Solve for x
    x = 105,141,526.45/12,850.65
  6. Step 6: Final answer
    x = 8,181.81

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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.