Home / 14,126.75-21,190.14-4,892.75

Finding the Fourth Proportional to 14,126.75, 21,190.14 and 4,892.75

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Solution

The fourth proportional to 14,126.75, 21,190.14 and 4,892.75 is: 7,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.75 : 21,190.14 = 4,892.75 : x
  2. Step 2: Convert to fraction form
    14,126.75/21,190.14 = 4,892.75/x
  3. Step 3: Cross multiply
    14,126.75x = 21,190.14 × 4,892.75
  4. Step 4: Simplify right side
    14,126.75x = 103,678,057.49
  5. Step 5: Solve for x
    x = 103,678,057.49/14,126.75
  6. Step 6: Final answer
    x = 7,339.13

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Double scale
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Similar ratio
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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.