Home / 14,576.90-21,866.15-4,188.38

Finding the Fourth Proportional to 14,576.90, 21,866.15 and 4,188.38

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Solution

The fourth proportional to 14,576.90, 21,866.15 and 4,188.38 is: 6,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.90 : 21,866.15 = 4,188.38 : x
  2. Step 2: Convert to fraction form
    14,576.90/21,866.15 = 4,188.38/x
  3. Step 3: Cross multiply
    14,576.90x = 21,866.15 × 4,188.38
  4. Step 4: Simplify right side
    14,576.90x = 91,583,646.48
  5. Step 5: Solve for x
    x = 91,583,646.48/14,576.90
  6. Step 6: Final answer
    x = 6,282.80

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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.