Home / 20,725.00-28,600.83-11,772.74

Finding the Fourth Proportional to 20,725.00, 28,600.83 and 11,772.74

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Solution

The fourth proportional to 20,725.00, 28,600.83 and 11,772.74 is: 16,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.00 : 28,600.83 = 11,772.74 : x
  2. Step 2: Convert to fraction form
    20,725.00/28,600.83 = 11,772.74/x
  3. Step 3: Cross multiply
    20,725.00x = 28,600.83 × 11,772.74
  4. Step 4: Simplify right side
    20,725.00x = 336,710,206.88
  5. Step 5: Solve for x
    x = 336,710,206.88/20,725.00
  6. Step 6: Final answer
    x = 16,246.57

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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.