Home / 18,273.09-25,217.33-11,203.41

Finding the Fourth Proportional to 18,273.09, 25,217.33 and 11,203.41

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Solution

The fourth proportional to 18,273.09, 25,217.33 and 11,203.41 is: 15,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.09 : 25,217.33 = 11,203.41 : x
  2. Step 2: Convert to fraction form
    18,273.09/25,217.33 = 11,203.41/x
  3. Step 3: Cross multiply
    18,273.09x = 25,217.33 × 11,203.41
  4. Step 4: Simplify right side
    18,273.09x = 282,520,031.08
  5. Step 5: Solve for x
    x = 282,520,031.08/18,273.09
  6. Step 6: Final answer
    x = 15,460.99

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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.