Home / 14,451.18-21,678.57-4,965.33

Finding the Fourth Proportional to 14,451.18, 21,678.57 and 4,965.33

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Solution

The fourth proportional to 14,451.18, 21,678.57 and 4,965.33 is: 7,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.18 : 21,678.57 = 4,965.33 : x
  2. Step 2: Convert to fraction form
    14,451.18/21,678.57 = 4,965.33/x
  3. Step 3: Cross multiply
    14,451.18x = 21,678.57 × 4,965.33
  4. Step 4: Simplify right side
    14,451.18x = 107,641,253.98
  5. Step 5: Solve for x
    x = 107,641,253.98/14,451.18
  6. Step 6: Final answer
    x = 7,448.61

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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.