Home / 14,126.25-21,189.39-4,892.25

Finding the Fourth Proportional to 14,126.25, 21,189.39 and 4,892.25

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Solution

The fourth proportional to 14,126.25, 21,189.39 and 4,892.25 is: 7,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.25 : 21,189.39 = 4,892.25 : x
  2. Step 2: Convert to fraction form
    14,126.25/21,189.39 = 4,892.25/x
  3. Step 3: Cross multiply
    14,126.25x = 21,189.39 × 4,892.25
  4. Step 4: Simplify right side
    14,126.25x = 103,663,793.23
  5. Step 5: Solve for x
    x = 103,663,793.23/14,126.25
  6. Step 6: Final answer
    x = 7,338.38

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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.