Home / 14,471.30-21,701.55-5,704.40

Finding the Fourth Proportional to 14,471.30, 21,701.55 and 5,704.40

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Solution

The fourth proportional to 14,471.30, 21,701.55 and 5,704.40 is: 8,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.30 : 21,701.55 = 5,704.40 : x
  2. Step 2: Convert to fraction form
    14,471.30/21,701.55 = 5,704.40/x
  3. Step 3: Cross multiply
    14,471.30x = 21,701.55 × 5,704.40
  4. Step 4: Simplify right side
    14,471.30x = 123,794,321.82
  5. Step 5: Solve for x
    x = 123,794,321.82/14,471.30
  6. Step 6: Final answer
    x = 8,554.47

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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.