Home / 19,761.06-27,272.12-11,263.62

Finding the Fourth Proportional to 19,761.06, 27,272.12 and 11,263.62

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Solution

The fourth proportional to 19,761.06, 27,272.12 and 11,263.62 is: 15,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.06 : 27,272.12 = 11,263.62 : x
  2. Step 2: Convert to fraction form
    19,761.06/27,272.12 = 11,263.62/x
  3. Step 3: Cross multiply
    19,761.06x = 27,272.12 × 11,263.62
  4. Step 4: Simplify right side
    19,761.06x = 307,182,796.27
  5. Step 5: Solve for x
    x = 307,182,796.27/19,761.06
  6. Step 6: Final answer
    x = 15,544.85

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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.