Home / 14,270.61-21,405.97-3,882.36

Finding the Fourth Proportional to 14,270.61, 21,405.97 and 3,882.36

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Solution

The fourth proportional to 14,270.61, 21,405.97 and 3,882.36 is: 5,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.61 : 21,405.97 = 3,882.36 : x
  2. Step 2: Convert to fraction form
    14,270.61/21,405.97 = 3,882.36/x
  3. Step 3: Cross multiply
    14,270.61x = 21,405.97 × 3,882.36
  4. Step 4: Simplify right side
    14,270.61x = 83,105,681.69
  5. Step 5: Solve for x
    x = 83,105,681.69/14,270.61
  6. Step 6: Final answer
    x = 5,823.55

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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.