Home / 19,620.36-27,083.94-12,069.76

Finding the Fourth Proportional to 19,620.36, 27,083.94 and 12,069.76

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Solution

The fourth proportional to 19,620.36, 27,083.94 and 12,069.76 is: 16,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.36 : 27,083.94 = 12,069.76 : x
  2. Step 2: Convert to fraction form
    19,620.36/27,083.94 = 12,069.76/x
  3. Step 3: Cross multiply
    19,620.36x = 27,083.94 × 12,069.76
  4. Step 4: Simplify right side
    19,620.36x = 326,896,655.65
  5. Step 5: Solve for x
    x = 326,896,655.65/19,620.36
  6. Step 6: Final answer
    x = 16,661.09

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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.