Home / 16,871.07-25,304.03-5,775.21

Finding the Fourth Proportional to 16,871.07, 25,304.03 and 5,775.21

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Solution

The fourth proportional to 16,871.07, 25,304.03 and 5,775.21 is: 8,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.07 : 25,304.03 = 5,775.21 : x
  2. Step 2: Convert to fraction form
    16,871.07/25,304.03 = 5,775.21/x
  3. Step 3: Cross multiply
    16,871.07x = 25,304.03 × 5,775.21
  4. Step 4: Simplify right side
    16,871.07x = 146,136,087.10
  5. Step 5: Solve for x
    x = 146,136,087.10/16,871.07
  6. Step 6: Final answer
    x = 8,661.93

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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.