Home / 19,790.76-29,687.04-11,019.06

Finding the Fourth Proportional to 19,790.76, 29,687.04 and 11,019.06

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Solution

The fourth proportional to 19,790.76, 29,687.04 and 11,019.06 is: 16,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.76 : 29,687.04 = 11,019.06 : x
  2. Step 2: Convert to fraction form
    19,790.76/29,687.04 = 11,019.06/x
  3. Step 3: Cross multiply
    19,790.76x = 29,687.04 × 11,019.06
  4. Step 4: Simplify right side
    19,790.76x = 327,123,274.98
  5. Step 5: Solve for x
    x = 327,123,274.98/19,790.76
  6. Step 6: Final answer
    x = 16,529.09

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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.