Home / 19,761.98-27,272.23-11,265.39

Finding the Fourth Proportional to 19,761.98, 27,272.23 and 11,265.39

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Solution

The fourth proportional to 19,761.98, 27,272.23 and 11,265.39 is: 15,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.98 : 27,272.23 = 11,265.39 : x
  2. Step 2: Convert to fraction form
    19,761.98/27,272.23 = 11,265.39/x
  3. Step 3: Cross multiply
    19,761.98x = 27,272.23 × 11,265.39
  4. Step 4: Simplify right side
    19,761.98x = 307,232,278.96
  5. Step 5: Solve for x
    x = 307,232,278.96/19,761.98
  6. Step 6: Final answer
    x = 15,546.64

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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.