Home / 22,005.76-30,379.62-16,958.92

Finding the Fourth Proportional to 22,005.76, 30,379.62 and 16,958.92

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Solution

The fourth proportional to 22,005.76, 30,379.62 and 16,958.92 is: 23,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.76 : 30,379.62 = 16,958.92 : x
  2. Step 2: Convert to fraction form
    22,005.76/30,379.62 = 16,958.92/x
  3. Step 3: Cross multiply
    22,005.76x = 30,379.62 × 16,958.92
  4. Step 4: Simplify right side
    22,005.76x = 515,205,545.21
  5. Step 5: Solve for x
    x = 515,205,545.21/22,005.76
  6. Step 6: Final answer
    x = 23,412.30

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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.