Home / 18,733.35-25,851.28-11,180.91

Finding the Fourth Proportional to 18,733.35, 25,851.28 and 11,180.91

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Solution

The fourth proportional to 18,733.35, 25,851.28 and 11,180.91 is: 15,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.35 : 25,851.28 = 11,180.91 : x
  2. Step 2: Convert to fraction form
    18,733.35/25,851.28 = 11,180.91/x
  3. Step 3: Cross multiply
    18,733.35x = 25,851.28 × 11,180.91
  4. Step 4: Simplify right side
    18,733.35x = 289,040,835.06
  5. Step 5: Solve for x
    x = 289,040,835.06/18,733.35
  6. Step 6: Final answer
    x = 15,429.21

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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.