Home / 27,223.20-37,563.26-15,121.74

Finding the Fourth Proportional to 27,223.20, 37,563.26 and 15,121.74

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Solution

The fourth proportional to 27,223.20, 37,563.26 and 15,121.74 is: 20,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.20 : 37,563.26 = 15,121.74 : x
  2. Step 2: Convert to fraction form
    27,223.20/37,563.26 = 15,121.74/x
  3. Step 3: Cross multiply
    27,223.20x = 37,563.26 × 15,121.74
  4. Step 4: Simplify right side
    27,223.20x = 568,021,822.19
  5. Step 5: Solve for x
    x = 568,021,822.19/27,223.20
  6. Step 6: Final answer
    x = 20,865.36

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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.