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Finding the Fourth Proportional to 18,134.80, 27,195.36 and 7,599.51

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Solution

The fourth proportional to 18,134.80, 27,195.36 and 7,599.51 is: 11,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.80 : 27,195.36 = 7,599.51 : x
  2. Step 2: Convert to fraction form
    18,134.80/27,195.36 = 7,599.51/x
  3. Step 3: Cross multiply
    18,134.80x = 27,195.36 × 7,599.51
  4. Step 4: Simplify right side
    18,134.80x = 206,671,381.78
  5. Step 5: Solve for x
    x = 206,671,381.78/18,134.80
  6. Step 6: Final answer
    x = 11,396.40

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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.