Home / 27,091.90-37,385.36-14,991.85

Finding the Fourth Proportional to 27,091.90, 37,385.36 and 14,991.85

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Solution

The fourth proportional to 27,091.90, 37,385.36 and 14,991.85 is: 20,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.90 : 37,385.36 = 14,991.85 : x
  2. Step 2: Convert to fraction form
    27,091.90/37,385.36 = 14,991.85/x
  3. Step 3: Cross multiply
    27,091.90x = 37,385.36 × 14,991.85
  4. Step 4: Simplify right side
    27,091.90x = 560,475,522.39
  5. Step 5: Solve for x
    x = 560,475,522.39/27,091.90
  6. Step 6: Final answer
    x = 20,687.94

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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.