Home / 14,678.38-22,012.94-4,815.36

Finding the Fourth Proportional to 14,678.38, 22,012.94 and 4,815.36

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Solution

The fourth proportional to 14,678.38, 22,012.94 and 4,815.36 is: 7,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.38 : 22,012.94 = 4,815.36 : x
  2. Step 2: Convert to fraction form
    14,678.38/22,012.94 = 4,815.36/x
  3. Step 3: Cross multiply
    14,678.38x = 22,012.94 × 4,815.36
  4. Step 4: Simplify right side
    14,678.38x = 106,000,108.66
  5. Step 5: Solve for x
    x = 106,000,108.66/14,678.38
  6. Step 6: Final answer
    x = 7,221.52

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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.