Home / 14,538.96-21,780.04-6,929.41

Finding the Fourth Proportional to 14,538.96, 21,780.04 and 6,929.41

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Solution

The fourth proportional to 14,538.96, 21,780.04 and 6,929.41 is: 10,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.96 : 21,780.04 = 6,929.41 : x
  2. Step 2: Convert to fraction form
    14,538.96/21,780.04 = 6,929.41/x
  3. Step 3: Cross multiply
    14,538.96x = 21,780.04 × 6,929.41
  4. Step 4: Simplify right side
    14,538.96x = 150,922,826.98
  5. Step 5: Solve for x
    x = 150,922,826.98/14,538.96
  6. Step 6: Final answer
    x = 10,380.58

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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.