Home / 14,483.40-21,733.32-7,819.81

Finding the Fourth Proportional to 14,483.40, 21,733.32 and 7,819.81

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Solution

The fourth proportional to 14,483.40, 21,733.32 and 7,819.81 is: 11,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.40 : 21,733.32 = 7,819.81 : x
  2. Step 2: Convert to fraction form
    14,483.40/21,733.32 = 7,819.81/x
  3. Step 3: Cross multiply
    14,483.40x = 21,733.32 × 7,819.81
  4. Step 4: Simplify right side
    14,483.40x = 169,950,489.56
  5. Step 5: Solve for x
    x = 169,950,489.56/14,483.40
  6. Step 6: Final answer
    x = 11,734.15

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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.