Home / 18,526.25-27,794.58-7,440.72

Finding the Fourth Proportional to 18,526.25, 27,794.58 and 7,440.72

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Solution

The fourth proportional to 18,526.25, 27,794.58 and 7,440.72 is: 11,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.25 : 27,794.58 = 7,440.72 : x
  2. Step 2: Convert to fraction form
    18,526.25/27,794.58 = 7,440.72/x
  3. Step 3: Cross multiply
    18,526.25x = 27,794.58 × 7,440.72
  4. Step 4: Simplify right side
    18,526.25x = 206,811,687.30
  5. Step 5: Solve for x
    x = 206,811,687.30/18,526.25
  6. Step 6: Final answer
    x = 11,163.17

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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.