Home / 14,976.59-20,654.57-11,991.34

Finding the Fourth Proportional to 14,976.59, 20,654.57 and 11,991.34

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Solution

The fourth proportional to 14,976.59, 20,654.57 and 11,991.34 is: 16,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.59 : 20,654.57 = 11,991.34 : x
  2. Step 2: Convert to fraction form
    14,976.59/20,654.57 = 11,991.34/x
  3. Step 3: Cross multiply
    14,976.59x = 20,654.57 × 11,991.34
  4. Step 4: Simplify right side
    14,976.59x = 247,675,971.42
  5. Step 5: Solve for x
    x = 247,675,971.42/14,976.59
  6. Step 6: Final answer
    x = 16,537.54

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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.