Home / 19,912.82-27,479.08-10,960.32

Finding the Fourth Proportional to 19,912.82, 27,479.08 and 10,960.32

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Solution

The fourth proportional to 19,912.82, 27,479.08 and 10,960.32 is: 15,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.82 : 27,479.08 = 10,960.32 : x
  2. Step 2: Convert to fraction form
    19,912.82/27,479.08 = 10,960.32/x
  3. Step 3: Cross multiply
    19,912.82x = 27,479.08 × 10,960.32
  4. Step 4: Simplify right side
    19,912.82x = 301,179,510.11
  5. Step 5: Solve for x
    x = 301,179,510.11/19,912.82
  6. Step 6: Final answer
    x = 15,124.90

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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.