Home / 14,511.91-21,769.38-6,192.81

Finding the Fourth Proportional to 14,511.91, 21,769.38 and 6,192.81

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Solution

The fourth proportional to 14,511.91, 21,769.38 and 6,192.81 is: 9,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.91 : 21,769.38 = 6,192.81 : x
  2. Step 2: Convert to fraction form
    14,511.91/21,769.38 = 6,192.81/x
  3. Step 3: Cross multiply
    14,511.91x = 21,769.38 × 6,192.81
  4. Step 4: Simplify right side
    14,511.91x = 134,813,634.16
  5. Step 5: Solve for x
    x = 134,813,634.16/14,511.91
  6. Step 6: Final answer
    x = 9,289.86

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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.