Home / 19,755.75-27,261.18-10,802.82

Finding the Fourth Proportional to 19,755.75, 27,261.18 and 10,802.82

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Solution

The fourth proportional to 19,755.75, 27,261.18 and 10,802.82 is: 14,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.75 : 27,261.18 = 10,802.82 : x
  2. Step 2: Convert to fraction form
    19,755.75/27,261.18 = 10,802.82/x
  3. Step 3: Cross multiply
    19,755.75x = 27,261.18 × 10,802.82
  4. Step 4: Simplify right side
    19,755.75x = 294,497,620.53
  5. Step 5: Solve for x
    x = 294,497,620.53/19,755.75
  6. Step 6: Final answer
    x = 14,906.93

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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.