Home / 14,203.34-21,305.00-3,815.09

Finding the Fourth Proportional to 14,203.34, 21,305.00 and 3,815.09

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Solution

The fourth proportional to 14,203.34, 21,305.00 and 3,815.09 is: 5,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.34 : 21,305.00 = 3,815.09 : x
  2. Step 2: Convert to fraction form
    14,203.34/21,305.00 = 3,815.09/x
  3. Step 3: Cross multiply
    14,203.34x = 21,305.00 × 3,815.09
  4. Step 4: Simplify right side
    14,203.34x = 81,280,475.36
  5. Step 5: Solve for x
    x = 81,280,475.36/14,203.34
  6. Step 6: Final answer
    x = 5,722.63

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Similar ratio
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1.5x scale

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.