Home / 14,511.88-21,769.40-6,192.78

Finding the Fourth Proportional to 14,511.88, 21,769.40 and 6,192.78

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Solution

The fourth proportional to 14,511.88, 21,769.40 and 6,192.78 is: 9,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.88 : 21,769.40 = 6,192.78 : x
  2. Step 2: Convert to fraction form
    14,511.88/21,769.40 = 6,192.78/x
  3. Step 3: Cross multiply
    14,511.88x = 21,769.40 × 6,192.78
  4. Step 4: Simplify right side
    14,511.88x = 134,813,104.93
  5. Step 5: Solve for x
    x = 134,813,104.93/14,511.88
  6. Step 6: Final answer
    x = 9,289.84

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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.