Home / 22,207.82-30,632.70-16,890.98

Finding the Fourth Proportional to 22,207.82, 30,632.70 and 16,890.98

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Solution

The fourth proportional to 22,207.82, 30,632.70 and 16,890.98 is: 23,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.82 : 30,632.70 = 16,890.98 : x
  2. Step 2: Convert to fraction form
    22,207.82/30,632.70 = 16,890.98/x
  3. Step 3: Cross multiply
    22,207.82x = 30,632.70 × 16,890.98
  4. Step 4: Simplify right side
    22,207.82x = 517,416,323.05
  5. Step 5: Solve for x
    x = 517,416,323.05/22,207.82
  6. Step 6: Final answer
    x = 23,298.83

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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.