Home / 19,650.12-27,114.12-11,265

Finding the Fourth Proportional to 19,650.12, 27,114.12 and 11,265

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Solution

The fourth proportional to 19,650.12, 27,114.12 and 11,265 is: 15,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.12 : 27,114.12 = 11,265 : x
  2. Step 2: Convert to fraction form
    19,650.12/27,114.12 = 11,265/x
  3. Step 3: Cross multiply
    19,650.12x = 27,114.12 × 11,265
  4. Step 4: Simplify right side
    19,650.12x = 305,440,561.80
  5. Step 5: Solve for x
    x = 305,440,561.80/19,650.12
  6. Step 6: Final answer
    x = 15,543.95

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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.