Home / 19,912.74-27,479.58-10,960.23

Finding the Fourth Proportional to 19,912.74, 27,479.58 and 10,960.23

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Solution

The fourth proportional to 19,912.74, 27,479.58 and 10,960.23 is: 15,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.74 : 27,479.58 = 10,960.23 : x
  2. Step 2: Convert to fraction form
    19,912.74/27,479.58 = 10,960.23/x
  3. Step 3: Cross multiply
    19,912.74x = 27,479.58 × 10,960.23
  4. Step 4: Simplify right side
    19,912.74x = 301,182,517.10
  5. Step 5: Solve for x
    x = 301,182,517.10/19,912.74
  6. Step 6: Final answer
    x = 15,125.12

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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.