Home / 17,787.87-24,546.96-9,721.35

Finding the Fourth Proportional to 17,787.87, 24,546.96 and 9,721.35

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Solution

The fourth proportional to 17,787.87, 24,546.96 and 9,721.35 is: 13,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.87 : 24,546.96 = 9,721.35 : x
  2. Step 2: Convert to fraction form
    17,787.87/24,546.96 = 9,721.35/x
  3. Step 3: Cross multiply
    17,787.87x = 24,546.96 × 9,721.35
  4. Step 4: Simplify right side
    17,787.87x = 238,629,589.60
  5. Step 5: Solve for x
    x = 238,629,589.60/17,787.87
  6. Step 6: Final answer
    x = 13,415.30

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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.