Home / 37,190.98-51,323.55-20,195.14

Finding the Fourth Proportional to 37,190.98, 51,323.55 and 20,195.14

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Solution

The fourth proportional to 37,190.98, 51,323.55 and 20,195.14 is: 27,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.98 : 51,323.55 = 20,195.14 : x
  2. Step 2: Convert to fraction form
    37,190.98/51,323.55 = 20,195.14/x
  3. Step 3: Cross multiply
    37,190.98x = 51,323.55 × 20,195.14
  4. Step 4: Simplify right side
    37,190.98x = 1,036,486,277.55
  5. Step 5: Solve for x
    x = 1,036,486,277.55/37,190.98
  6. Step 6: Final answer
    x = 27,869.29

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.