Home / 16,455.76-22,685.33-11,731.84

Finding the Fourth Proportional to 16,455.76, 22,685.33 and 11,731.84

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Solution

The fourth proportional to 16,455.76, 22,685.33 and 11,731.84 is: 16,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.76 : 22,685.33 = 11,731.84 : x
  2. Step 2: Convert to fraction form
    16,455.76/22,685.33 = 11,731.84/x
  3. Step 3: Cross multiply
    16,455.76x = 22,685.33 × 11,731.84
  4. Step 4: Simplify right side
    16,455.76x = 266,140,661.91
  5. Step 5: Solve for x
    x = 266,140,661.91/16,455.76
  6. Step 6: Final answer
    x = 16,173.10

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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.