Home / 15,548.00-21,456.23-8,474.42

Finding the Fourth Proportional to 15,548.00, 21,456.23 and 8,474.42

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Solution

The fourth proportional to 15,548.00, 21,456.23 and 8,474.42 is: 11,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.00 : 21,456.23 = 8,474.42 : x
  2. Step 2: Convert to fraction form
    15,548.00/21,456.23 = 8,474.42/x
  3. Step 3: Cross multiply
    15,548.00x = 21,456.23 × 8,474.42
  4. Step 4: Simplify right side
    15,548.00x = 181,829,115.91
  5. Step 5: Solve for x
    x = 181,829,115.91/15,548.00
  6. Step 6: Final answer
    x = 11,694.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.