Home / 17,812.45-24,576.76-11,517.25

Finding the Fourth Proportional to 17,812.45, 24,576.76 and 11,517.25

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Solution

The fourth proportional to 17,812.45, 24,576.76 and 11,517.25 is: 15,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.45 : 24,576.76 = 11,517.25 : x
  2. Step 2: Convert to fraction form
    17,812.45/24,576.76 = 11,517.25/x
  3. Step 3: Cross multiply
    17,812.45x = 24,576.76 × 11,517.25
  4. Step 4: Simplify right side
    17,812.45x = 283,056,689.11
  5. Step 5: Solve for x
    x = 283,056,689.11/17,812.45
  6. Step 6: Final answer
    x = 15,890.95

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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.