Home / 14,584.30-21,879.15-4,723.90

Finding the Fourth Proportional to 14,584.30, 21,879.15 and 4,723.90

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Solution

The fourth proportional to 14,584.30, 21,879.15 and 4,723.90 is: 7,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.30 : 21,879.15 = 4,723.90 : x
  2. Step 2: Convert to fraction form
    14,584.30/21,879.15 = 4,723.90/x
  3. Step 3: Cross multiply
    14,584.30x = 21,879.15 × 4,723.90
  4. Step 4: Simplify right side
    14,584.30x = 103,354,916.69
  5. Step 5: Solve for x
    x = 103,354,916.69/14,584.30
  6. Step 6: Final answer
    x = 7,086.72

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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.