Home / 21,192.54-29,246.04-11,761.14

Finding the Fourth Proportional to 21,192.54, 29,246.04 and 11,761.14

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Solution

The fourth proportional to 21,192.54, 29,246.04 and 11,761.14 is: 16,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.54 : 29,246.04 = 11,761.14 : x
  2. Step 2: Convert to fraction form
    21,192.54/29,246.04 = 11,761.14/x
  3. Step 3: Cross multiply
    21,192.54x = 29,246.04 × 11,761.14
  4. Step 4: Simplify right side
    21,192.54x = 343,966,770.89
  5. Step 5: Solve for x
    x = 343,966,770.89/21,192.54
  6. Step 6: Final answer
    x = 16,230.56

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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.