Home / 14,123.24-21,188.70-4,889.96

Finding the Fourth Proportional to 14,123.24, 21,188.70 and 4,889.96

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Solution

The fourth proportional to 14,123.24, 21,188.70 and 4,889.96 is: 7,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.24 : 21,188.70 = 4,889.96 : x
  2. Step 2: Convert to fraction form
    14,123.24/21,188.70 = 4,889.96/x
  3. Step 3: Cross multiply
    14,123.24x = 21,188.70 × 4,889.96
  4. Step 4: Simplify right side
    14,123.24x = 103,611,895.45
  5. Step 5: Solve for x
    x = 103,611,895.45/14,123.24
  6. Step 6: Final answer
    x = 7,336.27

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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.