Home / 13,732.80-20,599.08-3,872.01

Finding the Fourth Proportional to 13,732.80, 20,599.08 and 3,872.01

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Solution

The fourth proportional to 13,732.80, 20,599.08 and 3,872.01 is: 5,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.80 : 20,599.08 = 3,872.01 : x
  2. Step 2: Convert to fraction form
    13,732.80/20,599.08 = 3,872.01/x
  3. Step 3: Cross multiply
    13,732.80x = 20,599.08 × 3,872.01
  4. Step 4: Simplify right side
    13,732.80x = 79,759,843.75
  5. Step 5: Solve for x
    x = 79,759,843.75/13,732.80
  6. Step 6: Final answer
    x = 5,807.98

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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.