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Finding the Fourth Proportional to 18,593.80, 27,852.90 and 11,552.20

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Solution

The fourth proportional to 18,593.80, 27,852.90 and 11,552.20 is: 17,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.80 : 27,852.90 = 11,552.20 : x
  2. Step 2: Convert to fraction form
    18,593.80/27,852.90 = 11,552.20/x
  3. Step 3: Cross multiply
    18,593.80x = 27,852.90 × 11,552.20
  4. Step 4: Simplify right side
    18,593.80x = 321,762,271.38
  5. Step 5: Solve for x
    x = 321,762,271.38/18,593.80
  6. Step 6: Final answer
    x = 17,304.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.