Home / 27,126.68-37,435.31-15,190.22

Finding the Fourth Proportional to 27,126.68, 37,435.31 and 15,190.22

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Solution

The fourth proportional to 27,126.68, 37,435.31 and 15,190.22 is: 20,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.68 : 37,435.31 = 15,190.22 : x
  2. Step 2: Convert to fraction form
    27,126.68/37,435.31 = 15,190.22/x
  3. Step 3: Cross multiply
    27,126.68x = 37,435.31 × 15,190.22
  4. Step 4: Simplify right side
    27,126.68x = 568,650,331.54
  5. Step 5: Solve for x
    x = 568,650,331.54/27,126.68
  6. Step 6: Final answer
    x = 20,962.77

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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.