Home / 17,787.66-26,629.65-17,113.74

Finding the Fourth Proportional to 17,787.66, 26,629.65 and 17,113.74

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Solution

The fourth proportional to 17,787.66, 26,629.65 and 17,113.74 is: 25,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.66 : 26,629.65 = 17,113.74 : x
  2. Step 2: Convert to fraction form
    17,787.66/26,629.65 = 17,113.74/x
  3. Step 3: Cross multiply
    17,787.66x = 26,629.65 × 17,113.74
  4. Step 4: Simplify right side
    17,787.66x = 455,732,906.39
  5. Step 5: Solve for x
    x = 455,732,906.39/17,787.66
  6. Step 6: Final answer
    x = 25,620.73

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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.