Home / 14,076.76-21,112.26-8,228.92

Finding the Fourth Proportional to 14,076.76, 21,112.26 and 8,228.92

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Solution

The fourth proportional to 14,076.76, 21,112.26 and 8,228.92 is: 12,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.76 : 21,112.26 = 8,228.92 : x
  2. Step 2: Convert to fraction form
    14,076.76/21,112.26 = 8,228.92/x
  3. Step 3: Cross multiply
    14,076.76x = 21,112.26 × 8,228.92
  4. Step 4: Simplify right side
    14,076.76x = 173,731,098.56
  5. Step 5: Solve for x
    x = 173,731,098.56/14,076.76
  6. Step 6: Final answer
    x = 12,341.70

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1.5x scale

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.