Home / 22,823.10-34,234.65-20,403.90

Finding the Fourth Proportional to 22,823.10, 34,234.65 and 20,403.90

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Solution

The fourth proportional to 22,823.10, 34,234.65 and 20,403.90 is: 30,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,823.10 : 34,234.65 = 20,403.90 : x
  2. Step 2: Convert to fraction form
    22,823.10/34,234.65 = 20,403.90/x
  3. Step 3: Cross multiply
    22,823.10x = 34,234.65 × 20,403.90
  4. Step 4: Simplify right side
    22,823.10x = 698,520,375.14
  5. Step 5: Solve for x
    x = 698,520,375.14/22,823.10
  6. Step 6: Final answer
    x = 30,605.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.