Home / 17,787.25-26,689.55-11,932.33

Finding the Fourth Proportional to 17,787.25, 26,689.55 and 11,932.33

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Solution

The fourth proportional to 17,787.25, 26,689.55 and 11,932.33 is: 17,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.25 : 26,689.55 = 11,932.33 : x
  2. Step 2: Convert to fraction form
    17,787.25/26,689.55 = 11,932.33/x
  3. Step 3: Cross multiply
    17,787.25x = 26,689.55 × 11,932.33
  4. Step 4: Simplify right side
    17,787.25x = 318,468,458.49
  5. Step 5: Solve for x
    x = 318,468,458.49/17,787.25
  6. Step 6: Final answer
    x = 17,904.31

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1.5x scale

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.