Home / 18,954.09-26,156.59-11,404.82

Finding the Fourth Proportional to 18,954.09, 26,156.59 and 11,404.82

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Solution

The fourth proportional to 18,954.09, 26,156.59 and 11,404.82 is: 15,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.09 : 26,156.59 = 11,404.82 : x
  2. Step 2: Convert to fraction form
    18,954.09/26,156.59 = 11,404.82/x
  3. Step 3: Cross multiply
    18,954.09x = 26,156.59 × 11,404.82
  4. Step 4: Simplify right side
    18,954.09x = 298,311,237.64
  5. Step 5: Solve for x
    x = 298,311,237.64/18,954.09
  6. Step 6: Final answer
    x = 15,738.62

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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.