Home / 19,990.46-27,586.98-11,039.48

Finding the Fourth Proportional to 19,990.46, 27,586.98 and 11,039.48

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Solution

The fourth proportional to 19,990.46, 27,586.98 and 11,039.48 is: 15,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.46 : 27,586.98 = 11,039.48 : x
  2. Step 2: Convert to fraction form
    19,990.46/27,586.98 = 11,039.48/x
  3. Step 3: Cross multiply
    19,990.46x = 27,586.98 × 11,039.48
  4. Step 4: Simplify right side
    19,990.46x = 304,545,776.04
  5. Step 5: Solve for x
    x = 304,545,776.04/19,990.46
  6. Step 6: Final answer
    x = 15,234.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.