Home / 18,327.31-27,499.16-10,536.12

Finding the Fourth Proportional to 18,327.31, 27,499.16 and 10,536.12

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Solution

The fourth proportional to 18,327.31, 27,499.16 and 10,536.12 is: 15,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.31 : 27,499.16 = 10,536.12 : x
  2. Step 2: Convert to fraction form
    18,327.31/27,499.16 = 10,536.12/x
  3. Step 3: Cross multiply
    18,327.31x = 27,499.16 × 10,536.12
  4. Step 4: Simplify right side
    18,327.31x = 289,734,396.98
  5. Step 5: Solve for x
    x = 289,734,396.98/18,327.31
  6. Step 6: Final answer
    x = 15,808.89

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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.