Home / 14,379.73-21,558.84-9,686.57

Finding the Fourth Proportional to 14,379.73, 21,558.84 and 9,686.57

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Solution

The fourth proportional to 14,379.73, 21,558.84 and 9,686.57 is: 14,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.73 : 21,558.84 = 9,686.57 : x
  2. Step 2: Convert to fraction form
    14,379.73/21,558.84 = 9,686.57/x
  3. Step 3: Cross multiply
    14,379.73x = 21,558.84 × 9,686.57
  4. Step 4: Simplify right side
    14,379.73x = 208,831,244.42
  5. Step 5: Solve for x
    x = 208,831,244.42/14,379.73
  6. Step 6: Final answer
    x = 14,522.61

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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.