Home / 20,713.44-28,581.49-11,759.23

Finding the Fourth Proportional to 20,713.44, 28,581.49 and 11,759.23

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Solution

The fourth proportional to 20,713.44, 28,581.49 and 11,759.23 is: 16,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.44 : 28,581.49 = 11,759.23 : x
  2. Step 2: Convert to fraction form
    20,713.44/28,581.49 = 11,759.23/x
  3. Step 3: Cross multiply
    20,713.44x = 28,581.49 × 11,759.23
  4. Step 4: Simplify right side
    20,713.44x = 336,096,314.65
  5. Step 5: Solve for x
    x = 336,096,314.65/20,713.44
  6. Step 6: Final answer
    x = 16,226.00

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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.