Home / 20,237.06-27,917.11-13,524.79

Finding the Fourth Proportional to 20,237.06, 27,917.11 and 13,524.79

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Solution

The fourth proportional to 20,237.06, 27,917.11 and 13,524.79 is: 18,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.06 : 27,917.11 = 13,524.79 : x
  2. Step 2: Convert to fraction form
    20,237.06/27,917.11 = 13,524.79/x
  3. Step 3: Cross multiply
    20,237.06x = 27,917.11 × 13,524.79
  4. Step 4: Simplify right side
    20,237.06x = 377,573,050.16
  5. Step 5: Solve for x
    x = 377,573,050.16/20,237.06
  6. Step 6: Final answer
    x = 18,657.51

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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.