Home / 19,969.20-27,558.83-11,474.06

Finding the Fourth Proportional to 19,969.20, 27,558.83 and 11,474.06

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Solution

The fourth proportional to 19,969.20, 27,558.83 and 11,474.06 is: 15,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.20 : 27,558.83 = 11,474.06 : x
  2. Step 2: Convert to fraction form
    19,969.20/27,558.83 = 11,474.06/x
  3. Step 3: Cross multiply
    19,969.20x = 27,558.83 × 11,474.06
  4. Step 4: Simplify right side
    19,969.20x = 316,211,559.84
  5. Step 5: Solve for x
    x = 316,211,559.84/19,969.20
  6. Step 6: Final answer
    x = 15,834.96

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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.