Home / 19,797.24-27,348.66-15,813.12

Finding the Fourth Proportional to 19,797.24, 27,348.66 and 15,813.12

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Solution

The fourth proportional to 19,797.24, 27,348.66 and 15,813.12 is: 21,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.24 : 27,348.66 = 15,813.12 : x
  2. Step 2: Convert to fraction form
    19,797.24/27,348.66 = 15,813.12/x
  3. Step 3: Cross multiply
    19,797.24x = 27,348.66 × 15,813.12
  4. Step 4: Simplify right side
    19,797.24x = 432,467,642.42
  5. Step 5: Solve for x
    x = 432,467,642.42/19,797.24
  6. Step 6: Final answer
    x = 21,844.85

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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.