Home / 16,455.31-22,684.71-11,731.39

Finding the Fourth Proportional to 16,455.31, 22,684.71 and 11,731.39

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Solution

The fourth proportional to 16,455.31, 22,684.71 and 11,731.39 is: 16,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.31 : 22,684.71 = 11,731.39 : x
  2. Step 2: Convert to fraction form
    16,455.31/22,684.71 = 11,731.39/x
  3. Step 3: Cross multiply
    16,455.31x = 22,684.71 × 11,731.39
  4. Step 4: Simplify right side
    16,455.31x = 266,123,180.05
  5. Step 5: Solve for x
    x = 266,123,180.05/16,455.31
  6. Step 6: Final answer
    x = 16,172.48

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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.