Home / 18,704.16-28,095.84-11,783.52

Finding the Fourth Proportional to 18,704.16, 28,095.84 and 11,783.52

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Solution

The fourth proportional to 18,704.16, 28,095.84 and 11,783.52 is: 17,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.16 : 28,095.84 = 11,783.52 : x
  2. Step 2: Convert to fraction form
    18,704.16/28,095.84 = 11,783.52/x
  3. Step 3: Cross multiply
    18,704.16x = 28,095.84 × 11,783.52
  4. Step 4: Simplify right side
    18,704.16x = 331,067,892.56
  5. Step 5: Solve for x
    x = 331,067,892.56/18,704.16
  6. Step 6: Final answer
    x = 17,700.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.