Home / 15,243.18-22,824.72-12,265.80

Finding the Fourth Proportional to 15,243.18, 22,824.72 and 12,265.80

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Solution

The fourth proportional to 15,243.18, 22,824.72 and 12,265.80 is: 18,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.18 : 22,824.72 = 12,265.80 : x
  2. Step 2: Convert to fraction form
    15,243.18/22,824.72 = 12,265.80/x
  3. Step 3: Cross multiply
    15,243.18x = 22,824.72 × 12,265.80
  4. Step 4: Simplify right side
    15,243.18x = 279,963,450.58
  5. Step 5: Solve for x
    x = 279,963,450.58/15,243.18
  6. Step 6: Final answer
    x = 18,366.47

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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.