Home / 20,801.96-31,194.94-16,368.35

Finding the Fourth Proportional to 20,801.96, 31,194.94 and 16,368.35

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Solution

The fourth proportional to 20,801.96, 31,194.94 and 16,368.35 is: 24,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.96 : 31,194.94 = 16,368.35 : x
  2. Step 2: Convert to fraction form
    20,801.96/31,194.94 = 16,368.35/x
  3. Step 3: Cross multiply
    20,801.96x = 31,194.94 × 16,368.35
  4. Step 4: Simplify right side
    20,801.96x = 510,609,696.15
  5. Step 5: Solve for x
    x = 510,609,696.15/20,801.96
  6. Step 6: Final answer
    x = 24,546.23

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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.