Home / 20,046.56-27,654.80-13,335.44

Finding the Fourth Proportional to 20,046.56, 27,654.80 and 13,335.44

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Solution

The fourth proportional to 20,046.56, 27,654.80 and 13,335.44 is: 18,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.56 : 27,654.80 = 13,335.44 : x
  2. Step 2: Convert to fraction form
    20,046.56/27,654.80 = 13,335.44/x
  3. Step 3: Cross multiply
    20,046.56x = 27,654.80 × 13,335.44
  4. Step 4: Simplify right side
    20,046.56x = 368,788,926.11
  5. Step 5: Solve for x
    x = 368,788,926.11/20,046.56
  6. Step 6: Final answer
    x = 18,396.62

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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.