Home / 16,960.32-25,431.84-11,422.08

Finding the Fourth Proportional to 16,960.32, 25,431.84 and 11,422.08

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Solution

The fourth proportional to 16,960.32, 25,431.84 and 11,422.08 is: 17,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.32 : 25,431.84 = 11,422.08 : x
  2. Step 2: Convert to fraction form
    16,960.32/25,431.84 = 11,422.08/x
  3. Step 3: Cross multiply
    16,960.32x = 25,431.84 × 11,422.08
  4. Step 4: Simplify right side
    16,960.32x = 290,484,511.03
  5. Step 5: Solve for x
    x = 290,484,511.03/16,960.32
  6. Step 6: Final answer
    x = 17,127.30

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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.