Home / 21,624.70-29,842.14-12,193.24

Finding the Fourth Proportional to 21,624.70, 29,842.14 and 12,193.24

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Solution

The fourth proportional to 21,624.70, 29,842.14 and 12,193.24 is: 16,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.70 : 29,842.14 = 12,193.24 : x
  2. Step 2: Convert to fraction form
    21,624.70/29,842.14 = 12,193.24/x
  3. Step 3: Cross multiply
    21,624.70x = 29,842.14 × 12,193.24
  4. Step 4: Simplify right side
    21,624.70x = 363,872,375.13
  5. Step 5: Solve for x
    x = 363,872,375.13/21,624.70
  6. Step 6: Final answer
    x = 16,826.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.