Home / 27,385.21-37,791.62-14,809.96

Finding the Fourth Proportional to 27,385.21, 37,791.62 and 14,809.96

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Solution

The fourth proportional to 27,385.21, 37,791.62 and 14,809.96 is: 20,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.21 : 37,791.62 = 14,809.96 : x
  2. Step 2: Convert to fraction form
    27,385.21/37,791.62 = 14,809.96/x
  3. Step 3: Cross multiply
    27,385.21x = 37,791.62 × 14,809.96
  4. Step 4: Simplify right side
    27,385.21x = 559,692,380.54
  5. Step 5: Solve for x
    x = 559,692,380.54/27,385.21
  6. Step 6: Final answer
    x = 20,437.76

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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.