Home / 18,917.56-26,096.88-11,360.26

Finding the Fourth Proportional to 18,917.56, 26,096.88 and 11,360.26

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Solution

The fourth proportional to 18,917.56, 26,096.88 and 11,360.26 is: 15,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.56 : 26,096.88 = 11,360.26 : x
  2. Step 2: Convert to fraction form
    18,917.56/26,096.88 = 11,360.26/x
  3. Step 3: Cross multiply
    18,917.56x = 26,096.88 × 11,360.26
  4. Step 4: Simplify right side
    18,917.56x = 296,467,341.99
  5. Step 5: Solve for x
    x = 296,467,341.99/18,917.56
  6. Step 6: Final answer
    x = 15,671.54

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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.