Home / 14,512.86-21,771.18-4,124.88

Finding the Fourth Proportional to 14,512.86, 21,771.18 and 4,124.88

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Solution

The fourth proportional to 14,512.86, 21,771.18 and 4,124.88 is: 6,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.86 : 21,771.18 = 4,124.88 : x
  2. Step 2: Convert to fraction form
    14,512.86/21,771.18 = 4,124.88/x
  3. Step 3: Cross multiply
    14,512.86x = 21,771.18 × 4,124.88
  4. Step 4: Simplify right side
    14,512.86x = 89,803,504.96
  5. Step 5: Solve for x
    x = 89,803,504.96/14,512.86
  6. Step 6: Final answer
    x = 6,187.86

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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.