Home / 18,237.35-25,176.83-11,529.92

Finding the Fourth Proportional to 18,237.35, 25,176.83 and 11,529.92

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Solution

The fourth proportional to 18,237.35, 25,176.83 and 11,529.92 is: 15,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.35 : 25,176.83 = 11,529.92 : x
  2. Step 2: Convert to fraction form
    18,237.35/25,176.83 = 11,529.92/x
  3. Step 3: Cross multiply
    18,237.35x = 25,176.83 × 11,529.92
  4. Step 4: Simplify right side
    18,237.35x = 290,286,652.22
  5. Step 5: Solve for x
    x = 290,286,652.22/18,237.35
  6. Step 6: Final answer
    x = 15,917.16

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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.