Home / 17,787.08-24,546.22-9,720.73

Finding the Fourth Proportional to 17,787.08, 24,546.22 and 9,720.73

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Solution

The fourth proportional to 17,787.08, 24,546.22 and 9,720.73 is: 13,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.08 : 24,546.22 = 9,720.73 : x
  2. Step 2: Convert to fraction form
    17,787.08/24,546.22 = 9,720.73/x
  3. Step 3: Cross multiply
    17,787.08x = 24,546.22 × 9,720.73
  4. Step 4: Simplify right side
    17,787.08x = 238,607,054.41
  5. Step 5: Solve for x
    x = 238,607,054.41/17,787.08
  6. Step 6: Final answer
    x = 13,414.63

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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.