Home / 15,992.82-22,069.77-9,279.10

Finding the Fourth Proportional to 15,992.82, 22,069.77 and 9,279.10

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Solution

The fourth proportional to 15,992.82, 22,069.77 and 9,279.10 is: 12,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.82 : 22,069.77 = 9,279.10 : x
  2. Step 2: Convert to fraction form
    15,992.82/22,069.77 = 9,279.10/x
  3. Step 3: Cross multiply
    15,992.82x = 22,069.77 × 9,279.10
  4. Step 4: Simplify right side
    15,992.82x = 204,787,595.60
  5. Step 5: Solve for x
    x = 204,787,595.60/15,992.82
  6. Step 6: Final answer
    x = 12,804.97

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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.