Home / 18,525.46-27,781.98-7,429.27

Finding the Fourth Proportional to 18,525.46, 27,781.98 and 7,429.27

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Solution

The fourth proportional to 18,525.46, 27,781.98 and 7,429.27 is: 11,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.46 : 27,781.98 = 7,429.27 : x
  2. Step 2: Convert to fraction form
    18,525.46/27,781.98 = 7,429.27/x
  3. Step 3: Cross multiply
    18,525.46x = 27,781.98 × 7,429.27
  4. Step 4: Simplify right side
    18,525.46x = 206,399,830.55
  5. Step 5: Solve for x
    x = 206,399,830.55/18,525.46
  6. Step 6: Final answer
    x = 11,141.41

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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.