Home / 14,201.10-21,303.21-3,813.66

Finding the Fourth Proportional to 14,201.10, 21,303.21 and 3,813.66

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Solution

The fourth proportional to 14,201.10, 21,303.21 and 3,813.66 is: 5,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.10 : 21,303.21 = 3,813.66 : x
  2. Step 2: Convert to fraction form
    14,201.10/21,303.21 = 3,813.66/x
  3. Step 3: Cross multiply
    14,201.10x = 21,303.21 × 3,813.66
  4. Step 4: Simplify right side
    14,201.10x = 81,243,199.85
  5. Step 5: Solve for x
    x = 81,243,199.85/14,201.10
  6. Step 6: Final answer
    x = 5,720.91

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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.