Home / 20,994.12-31,494.83-6,203.93

Finding the Fourth Proportional to 20,994.12, 31,494.83 and 6,203.93

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Solution

The fourth proportional to 20,994.12, 31,494.83 and 6,203.93 is: 9,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.12 : 31,494.83 = 6,203.93 : x
  2. Step 2: Convert to fraction form
    20,994.12/31,494.83 = 6,203.93/x
  3. Step 3: Cross multiply
    20,994.12x = 31,494.83 × 6,203.93
  4. Step 4: Simplify right side
    20,994.12x = 195,391,532.19
  5. Step 5: Solve for x
    x = 195,391,532.19/20,994.12
  6. Step 6: Final answer
    x = 9,306.96

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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.