Home / 27,125.29-37,431.87-15,188.03

Finding the Fourth Proportional to 27,125.29, 37,431.87 and 15,188.03

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Solution

The fourth proportional to 27,125.29, 37,431.87 and 15,188.03 is: 20,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.29 : 37,431.87 = 15,188.03 : x
  2. Step 2: Convert to fraction form
    27,125.29/37,431.87 = 15,188.03/x
  3. Step 3: Cross multiply
    27,125.29x = 37,431.87 × 15,188.03
  4. Step 4: Simplify right side
    27,125.29x = 568,516,451.48
  5. Step 5: Solve for x
    x = 568,516,451.48/27,125.29
  6. Step 6: Final answer
    x = 20,958.91

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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.