Home / 27,491.21-37,938.61-14,915.96

Finding the Fourth Proportional to 27,491.21, 37,938.61 and 14,915.96

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Solution

The fourth proportional to 27,491.21, 37,938.61 and 14,915.96 is: 20,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.21 : 37,938.61 = 14,915.96 : x
  2. Step 2: Convert to fraction form
    27,491.21/37,938.61 = 14,915.96/x
  3. Step 3: Cross multiply
    27,491.21x = 37,938.61 × 14,915.96
  4. Step 4: Simplify right side
    27,491.21x = 565,890,789.22
  5. Step 5: Solve for x
    x = 565,890,789.22/27,491.21
  6. Step 6: Final answer
    x = 20,584.43

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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.