Home / 14,511.75-21,769.78-4,123.23

Finding the Fourth Proportional to 14,511.75, 21,769.78 and 4,123.23

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Solution

The fourth proportional to 14,511.75, 21,769.78 and 4,123.23 is: 6,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.75 : 21,769.78 = 4,123.23 : x
  2. Step 2: Convert to fraction form
    14,511.75/21,769.78 = 4,123.23/x
  3. Step 3: Cross multiply
    14,511.75x = 21,769.78 × 4,123.23
  4. Step 4: Simplify right side
    14,511.75x = 89,761,809.99
  5. Step 5: Solve for x
    x = 89,761,809.99/14,511.75
  6. Step 6: Final answer
    x = 6,185.46

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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.