Home / 18,529.72-27,776.46-11,845.72

Finding the Fourth Proportional to 18,529.72, 27,776.46 and 11,845.72

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Solution

The fourth proportional to 18,529.72, 27,776.46 and 11,845.72 is: 17,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.72 : 27,776.46 = 11,845.72 : x
  2. Step 2: Convert to fraction form
    18,529.72/27,776.46 = 11,845.72/x
  3. Step 3: Cross multiply
    18,529.72x = 27,776.46 × 11,845.72
  4. Step 4: Simplify right side
    18,529.72x = 329,032,167.75
  5. Step 5: Solve for x
    x = 329,032,167.75/18,529.72
  6. Step 6: Final answer
    x = 17,757.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.