Home / 27,126.42-37,432.62-15,190.80

Finding the Fourth Proportional to 27,126.42, 37,432.62 and 15,190.80

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Solution

The fourth proportional to 27,126.42, 37,432.62 and 15,190.80 is: 20,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.42 : 37,432.62 = 15,190.80 : x
  2. Step 2: Convert to fraction form
    27,126.42/37,432.62 = 15,190.80/x
  3. Step 3: Cross multiply
    27,126.42x = 37,432.62 × 15,190.80
  4. Step 4: Simplify right side
    27,126.42x = 568,631,443.90
  5. Step 5: Solve for x
    x = 568,631,443.90/27,126.42
  6. Step 6: Final answer
    x = 20,962.27

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Double scale
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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.