Home / 22,633.75-31,234.58-12,697.75

Finding the Fourth Proportional to 22,633.75, 31,234.58 and 12,697.75

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Solution

The fourth proportional to 22,633.75, 31,234.58 and 12,697.75 is: 17,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.75 : 31,234.58 = 12,697.75 : x
  2. Step 2: Convert to fraction form
    22,633.75/31,234.58 = 12,697.75/x
  3. Step 3: Cross multiply
    22,633.75x = 31,234.58 × 12,697.75
  4. Step 4: Simplify right side
    22,633.75x = 396,608,888.20
  5. Step 5: Solve for x
    x = 396,608,888.20/22,633.75
  6. Step 6: Final answer
    x = 17,522.90

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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.