Home / 20,654.73-28,504.14-11,702.24

Finding the Fourth Proportional to 20,654.73, 28,504.14 and 11,702.24

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Solution

The fourth proportional to 20,654.73, 28,504.14 and 11,702.24 is: 16,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.73 : 28,504.14 = 11,702.24 : x
  2. Step 2: Convert to fraction form
    20,654.73/28,504.14 = 11,702.24/x
  3. Step 3: Cross multiply
    20,654.73x = 28,504.14 × 11,702.24
  4. Step 4: Simplify right side
    20,654.73x = 333,562,207.76
  5. Step 5: Solve for x
    x = 333,562,207.76/20,654.73
  6. Step 6: Final answer
    x = 16,149.43

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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.