Home / 20,052.99-27,680.42-11,669.49

Finding the Fourth Proportional to 20,052.99, 27,680.42 and 11,669.49

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Solution

The fourth proportional to 20,052.99, 27,680.42 and 11,669.49 is: 16,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.99 : 27,680.42 = 11,669.49 : x
  2. Step 2: Convert to fraction form
    20,052.99/27,680.42 = 11,669.49/x
  3. Step 3: Cross multiply
    20,052.99x = 27,680.42 × 11,669.49
  4. Step 4: Simplify right side
    20,052.99x = 323,016,326.04
  5. Step 5: Solve for x
    x = 323,016,326.04/20,052.99
  6. Step 6: Final answer
    x = 16,108.14

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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.