Home / 16,065.77-22,171.05-8,992.17

Finding the Fourth Proportional to 16,065.77, 22,171.05 and 8,992.17

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Solution

The fourth proportional to 16,065.77, 22,171.05 and 8,992.17 is: 12,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.77 : 22,171.05 = 8,992.17 : x
  2. Step 2: Convert to fraction form
    16,065.77/22,171.05 = 8,992.17/x
  3. Step 3: Cross multiply
    16,065.77x = 22,171.05 × 8,992.17
  4. Step 4: Simplify right side
    16,065.77x = 199,365,850.68
  5. Step 5: Solve for x
    x = 199,365,850.68/16,065.77
  6. Step 6: Final answer
    x = 12,409.36

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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.