Home / 14,126.42-21,195.61-7,102.74

Finding the Fourth Proportional to 14,126.42, 21,195.61 and 7,102.74

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Solution

The fourth proportional to 14,126.42, 21,195.61 and 7,102.74 is: 10,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.42 : 21,195.61 = 7,102.74 : x
  2. Step 2: Convert to fraction form
    14,126.42/21,195.61 = 7,102.74/x
  3. Step 3: Cross multiply
    14,126.42x = 21,195.61 × 7,102.74
  4. Step 4: Simplify right side
    14,126.42x = 150,546,906.97
  5. Step 5: Solve for x
    x = 150,546,906.97/14,126.42
  6. Step 6: Final answer
    x = 10,657.12

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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.