Home / 20,995.86-31,486.44-6,200.84

Finding the Fourth Proportional to 20,995.86, 31,486.44 and 6,200.84

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Solution

The fourth proportional to 20,995.86, 31,486.44 and 6,200.84 is: 9,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995.86 : 31,486.44 = 6,200.84 : x
  2. Step 2: Convert to fraction form
    20,995.86/31,486.44 = 6,200.84/x
  3. Step 3: Cross multiply
    20,995.86x = 31,486.44 × 6,200.84
  4. Step 4: Simplify right side
    20,995.86x = 195,242,376.61
  5. Step 5: Solve for x
    x = 195,242,376.61/20,995.86
  6. Step 6: Final answer
    x = 9,299.09

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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.