Home / 27,125.55-37,436.85-15,189.66

Finding the Fourth Proportional to 27,125.55, 37,436.85 and 15,189.66

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Solution

The fourth proportional to 27,125.55, 37,436.85 and 15,189.66 is: 20,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.55 : 37,436.85 = 15,189.66 : x
  2. Step 2: Convert to fraction form
    27,125.55/37,436.85 = 15,189.66/x
  3. Step 3: Cross multiply
    27,125.55x = 37,436.85 × 15,189.66
  4. Step 4: Simplify right side
    27,125.55x = 568,653,022.97
  5. Step 5: Solve for x
    x = 568,653,022.97/27,125.55
  6. Step 6: Final answer
    x = 20,963.74

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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.