Home / 18,923.84-26,120.96-11,845.76

Finding the Fourth Proportional to 18,923.84, 26,120.96 and 11,845.76

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Solution

The fourth proportional to 18,923.84, 26,120.96 and 11,845.76 is: 16,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.84 : 26,120.96 = 11,845.76 : x
  2. Step 2: Convert to fraction form
    18,923.84/26,120.96 = 11,845.76/x
  3. Step 3: Cross multiply
    18,923.84x = 26,120.96 × 11,845.76
  4. Step 4: Simplify right side
    18,923.84x = 309,422,623.13
  5. Step 5: Solve for x
    x = 309,422,623.13/18,923.84
  6. Step 6: Final answer
    x = 16,350.94

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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.