Home / 18,499.85-25,529.84-11,784.04

Finding the Fourth Proportional to 18,499.85, 25,529.84 and 11,784.04

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Solution

The fourth proportional to 18,499.85, 25,529.84 and 11,784.04 is: 16,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.85 : 25,529.84 = 11,784.04 : x
  2. Step 2: Convert to fraction form
    18,499.85/25,529.84 = 11,784.04/x
  3. Step 3: Cross multiply
    18,499.85x = 25,529.84 × 11,784.04
  4. Step 4: Simplify right side
    18,499.85x = 300,844,655.75
  5. Step 5: Solve for x
    x = 300,844,655.75/18,499.85
  6. Step 6: Final answer
    x = 16,262.01

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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.