Home / 22,675.14-31,321.62-18,910.62

Finding the Fourth Proportional to 22,675.14, 31,321.62 and 18,910.62

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Solution

The fourth proportional to 22,675.14, 31,321.62 and 18,910.62 is: 26,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.14 : 31,321.62 = 18,910.62 : x
  2. Step 2: Convert to fraction form
    22,675.14/31,321.62 = 18,910.62/x
  3. Step 3: Cross multiply
    22,675.14x = 31,321.62 × 18,910.62
  4. Step 4: Simplify right side
    22,675.14x = 592,311,253.60
  5. Step 5: Solve for x
    x = 592,311,253.60/22,675.14
  6. Step 6: Final answer
    x = 26,121.61

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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.