Home / 14,428.08-21,644.75-4,432.61

Finding the Fourth Proportional to 14,428.08, 21,644.75 and 4,432.61

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Solution

The fourth proportional to 14,428.08, 21,644.75 and 4,432.61 is: 6,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.08 : 21,644.75 = 4,432.61 : x
  2. Step 2: Convert to fraction form
    14,428.08/21,644.75 = 4,432.61/x
  3. Step 3: Cross multiply
    14,428.08x = 21,644.75 × 4,432.61
  4. Step 4: Simplify right side
    14,428.08x = 95,942,800.49
  5. Step 5: Solve for x
    x = 95,942,800.49/14,428.08
  6. Step 6: Final answer
    x = 6,649.73

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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.