Home / 14,622.12-21,939.66-7,695

Finding the Fourth Proportional to 14,622.12, 21,939.66 and 7,695

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Solution

The fourth proportional to 14,622.12, 21,939.66 and 7,695 is: 11,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.12 : 21,939.66 = 7,695 : x
  2. Step 2: Convert to fraction form
    14,622.12/21,939.66 = 7,695/x
  3. Step 3: Cross multiply
    14,622.12x = 21,939.66 × 7,695
  4. Step 4: Simplify right side
    14,622.12x = 168,825,683.70
  5. Step 5: Solve for x
    x = 168,825,683.70/14,622.12
  6. Step 6: Final answer
    x = 11,545.91

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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.