Home / 19,844.39-27,385.77-11,347.89

Finding the Fourth Proportional to 19,844.39, 27,385.77 and 11,347.89

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Solution

The fourth proportional to 19,844.39, 27,385.77 and 11,347.89 is: 15,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.39 : 27,385.77 = 11,347.89 : x
  2. Step 2: Convert to fraction form
    19,844.39/27,385.77 = 11,347.89/x
  3. Step 3: Cross multiply
    19,844.39x = 27,385.77 × 11,347.89
  4. Step 4: Simplify right side
    19,844.39x = 310,770,705.53
  5. Step 5: Solve for x
    x = 310,770,705.53/19,844.39
  6. Step 6: Final answer
    x = 15,660.38

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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.