Home / 20,038.14-27,654.70-11,540.54

Finding the Fourth Proportional to 20,038.14, 27,654.70 and 11,540.54

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Solution

The fourth proportional to 20,038.14, 27,654.70 and 11,540.54 is: 15,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.14 : 27,654.70 = 11,540.54 : x
  2. Step 2: Convert to fraction form
    20,038.14/27,654.70 = 11,540.54/x
  3. Step 3: Cross multiply
    20,038.14x = 27,654.70 × 11,540.54
  4. Step 4: Simplify right side
    20,038.14x = 319,150,171.54
  5. Step 5: Solve for x
    x = 319,150,171.54/20,038.14
  6. Step 6: Final answer
    x = 15,927.14

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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.