Home / 18,756.42-28,079.96-16,249.88

Finding the Fourth Proportional to 18,756.42, 28,079.96 and 16,249.88

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Solution

The fourth proportional to 18,756.42, 28,079.96 and 16,249.88 is: 24,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.42 : 28,079.96 = 16,249.88 : x
  2. Step 2: Convert to fraction form
    18,756.42/28,079.96 = 16,249.88/x
  3. Step 3: Cross multiply
    18,756.42x = 28,079.96 × 16,249.88
  4. Step 4: Simplify right side
    18,756.42x = 456,295,758.76
  5. Step 5: Solve for x
    x = 456,295,758.76/18,756.42
  6. Step 6: Final answer
    x = 24,327.44

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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.