Home / 14,731.76-22,076.94-12,531.80

Finding the Fourth Proportional to 14,731.76, 22,076.94 and 12,531.80

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Solution

The fourth proportional to 14,731.76, 22,076.94 and 12,531.80 is: 18,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.76 : 22,076.94 = 12,531.80 : x
  2. Step 2: Convert to fraction form
    14,731.76/22,076.94 = 12,531.80/x
  3. Step 3: Cross multiply
    14,731.76x = 22,076.94 × 12,531.80
  4. Step 4: Simplify right side
    14,731.76x = 276,663,796.69
  5. Step 5: Solve for x
    x = 276,663,796.69/14,731.76
  6. Step 6: Final answer
    x = 18,780.09

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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.