Home / 14,812.70-20,440.93-8,098.56

Finding the Fourth Proportional to 14,812.70, 20,440.93 and 8,098.56

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Solution

The fourth proportional to 14,812.70, 20,440.93 and 8,098.56 is: 11,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.70 : 20,440.93 = 8,098.56 : x
  2. Step 2: Convert to fraction form
    14,812.70/20,440.93 = 8,098.56/x
  3. Step 3: Cross multiply
    14,812.70x = 20,440.93 × 8,098.56
  4. Step 4: Simplify right side
    14,812.70x = 165,542,098.06
  5. Step 5: Solve for x
    x = 165,542,098.06/14,812.70
  6. Step 6: Final answer
    x = 11,175.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.