Home / 20,051.11-27,671.52-11,554.56

Finding the Fourth Proportional to 20,051.11, 27,671.52 and 11,554.56

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Solution

The fourth proportional to 20,051.11, 27,671.52 and 11,554.56 is: 15,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.11 : 27,671.52 = 11,554.56 : x
  2. Step 2: Convert to fraction form
    20,051.11/27,671.52 = 11,554.56/x
  3. Step 3: Cross multiply
    20,051.11x = 27,671.52 × 11,554.56
  4. Step 4: Simplify right side
    20,051.11x = 319,732,238.13
  5. Step 5: Solve for x
    x = 319,732,238.13/20,051.11
  6. Step 6: Final answer
    x = 15,945.86

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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.