Home / 27,180.43-37,491.73-19,637.85

Finding the Fourth Proportional to 27,180.43, 37,491.73 and 19,637.85

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Solution

The fourth proportional to 27,180.43, 37,491.73 and 19,637.85 is: 27,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.43 : 37,491.73 = 19,637.85 : x
  2. Step 2: Convert to fraction form
    27,180.43/37,491.73 = 19,637.85/x
  3. Step 3: Cross multiply
    27,180.43x = 37,491.73 × 19,637.85
  4. Step 4: Simplify right side
    27,180.43x = 736,256,969.98
  5. Step 5: Solve for x
    x = 736,256,969.98/27,180.43
  6. Step 6: Final answer
    x = 27,087.76

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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.