Home / 25,072.56-37,563.12-11,720.88

Finding the Fourth Proportional to 25,072.56, 37,563.12 and 11,720.88

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Solution

The fourth proportional to 25,072.56, 37,563.12 and 11,720.88 is: 17,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.56 : 37,563.12 = 11,720.88 : x
  2. Step 2: Convert to fraction form
    25,072.56/37,563.12 = 11,720.88/x
  3. Step 3: Cross multiply
    25,072.56x = 37,563.12 × 11,720.88
  4. Step 4: Simplify right side
    25,072.56x = 440,272,821.95
  5. Step 5: Solve for x
    x = 440,272,821.95/25,072.56
  6. Step 6: Final answer
    x = 17,559.95

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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.