Home / 18,787.03-28,174.82-6,304.32

Finding the Fourth Proportional to 18,787.03, 28,174.82 and 6,304.32

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Solution

The fourth proportional to 18,787.03, 28,174.82 and 6,304.32 is: 9,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.03 : 28,174.82 = 6,304.32 : x
  2. Step 2: Convert to fraction form
    18,787.03/28,174.82 = 6,304.32/x
  3. Step 3: Cross multiply
    18,787.03x = 28,174.82 × 6,304.32
  4. Step 4: Simplify right side
    18,787.03x = 177,623,081.22
  5. Step 5: Solve for x
    x = 177,623,081.22/18,787.03
  6. Step 6: Final answer
    x = 9,454.56

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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.