Home / 18,127.58-27,192.66-7,586.99

Finding the Fourth Proportional to 18,127.58, 27,192.66 and 7,586.99

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Solution

The fourth proportional to 18,127.58, 27,192.66 and 7,586.99 is: 11,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.58 : 27,192.66 = 7,586.99 : x
  2. Step 2: Convert to fraction form
    18,127.58/27,192.66 = 7,586.99/x
  3. Step 3: Cross multiply
    18,127.58x = 27,192.66 × 7,586.99
  4. Step 4: Simplify right side
    18,127.58x = 206,310,535.93
  5. Step 5: Solve for x
    x = 206,310,535.93/18,127.58
  6. Step 6: Final answer
    x = 11,381.03

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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.