Home / 25,527.88-38,278.86-11,665

Finding the Fourth Proportional to 25,527.88, 38,278.86 and 11,665

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Solution

The fourth proportional to 25,527.88, 38,278.86 and 11,665 is: 17,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,527.88 : 38,278.86 = 11,665 : x
  2. Step 2: Convert to fraction form
    25,527.88/38,278.86 = 11,665/x
  3. Step 3: Cross multiply
    25,527.88x = 38,278.86 × 11,665
  4. Step 4: Simplify right side
    25,527.88x = 446,522,901.90
  5. Step 5: Solve for x
    x = 446,522,901.90/25,527.88
  6. Step 6: Final answer
    x = 17,491.58

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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.