Home / 14,562.85-21,811.45-10,199.78

Finding the Fourth Proportional to 14,562.85, 21,811.45 and 10,199.78

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Solution

The fourth proportional to 14,562.85, 21,811.45 and 10,199.78 is: 15,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.85 : 21,811.45 = 10,199.78 : x
  2. Step 2: Convert to fraction form
    14,562.85/21,811.45 = 10,199.78/x
  3. Step 3: Cross multiply
    14,562.85x = 21,811.45 × 10,199.78
  4. Step 4: Simplify right side
    14,562.85x = 222,471,991.48
  5. Step 5: Solve for x
    x = 222,471,991.48/14,562.85
  6. Step 6: Final answer
    x = 15,276.68

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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.