Home / 17,376.32-23,979.44-9,418.60

Finding the Fourth Proportional to 17,376.32, 23,979.44 and 9,418.60

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Solution

The fourth proportional to 17,376.32, 23,979.44 and 9,418.60 is: 12,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.32 : 23,979.44 = 9,418.60 : x
  2. Step 2: Convert to fraction form
    17,376.32/23,979.44 = 9,418.60/x
  3. Step 3: Cross multiply
    17,376.32x = 23,979.44 × 9,418.60
  4. Step 4: Simplify right side
    17,376.32x = 225,852,717.18
  5. Step 5: Solve for x
    x = 225,852,717.18/17,376.32
  6. Step 6: Final answer
    x = 12,997.73

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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.