Home / 19,950.22-27,531.13-11,453.73

Finding the Fourth Proportional to 19,950.22, 27,531.13 and 11,453.73

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Solution

The fourth proportional to 19,950.22, 27,531.13 and 11,453.73 is: 15,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.22 : 27,531.13 = 11,453.73 : x
  2. Step 2: Convert to fraction form
    19,950.22/27,531.13 = 11,453.73/x
  3. Step 3: Cross multiply
    19,950.22x = 27,531.13 × 11,453.73
  4. Step 4: Simplify right side
    19,950.22x = 315,334,129.61
  5. Step 5: Solve for x
    x = 315,334,129.61/19,950.22
  6. Step 6: Final answer
    x = 15,806.05

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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.