Home / 19,977.88-27,571.16-11,026.24

Finding the Fourth Proportional to 19,977.88, 27,571.16 and 11,026.24

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Solution

The fourth proportional to 19,977.88, 27,571.16 and 11,026.24 is: 15,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.88 : 27,571.16 = 11,026.24 : x
  2. Step 2: Convert to fraction form
    19,977.88/27,571.16 = 11,026.24/x
  3. Step 3: Cross multiply
    19,977.88x = 27,571.16 × 11,026.24
  4. Step 4: Simplify right side
    19,977.88x = 304,006,227.24
  5. Step 5: Solve for x
    x = 304,006,227.24/19,977.88
  6. Step 6: Final answer
    x = 15,217.14

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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.