Home / 13,766.74-20,504.40-13,699.62

Finding the Fourth Proportional to 13,766.74, 20,504.40 and 13,699.62

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Solution

The fourth proportional to 13,766.74, 20,504.40 and 13,699.62 is: 20,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.74 : 20,504.40 = 13,699.62 : x
  2. Step 2: Convert to fraction form
    13,766.74/20,504.40 = 13,699.62/x
  3. Step 3: Cross multiply
    13,766.74x = 20,504.40 × 13,699.62
  4. Step 4: Simplify right side
    13,766.74x = 280,902,488.33
  5. Step 5: Solve for x
    x = 280,902,488.33/13,766.74
  6. Step 6: Final answer
    x = 20,404.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.