Home / 56,134.42-84,184.09-18,685.73

Finding the Fourth Proportional to 56,134.42, 84,184.09 and 18,685.73

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Solution

The fourth proportional to 56,134.42, 84,184.09 and 18,685.73 is: 28,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.42 : 84,184.09 = 18,685.73 : x
  2. Step 2: Convert to fraction form
    56,134.42/84,184.09 = 18,685.73/x
  3. Step 3: Cross multiply
    56,134.42x = 84,184.09 × 18,685.73
  4. Step 4: Simplify right side
    56,134.42x = 1,573,041,339.78
  5. Step 5: Solve for x
    x = 1,573,041,339.78/56,134.42
  6. Step 6: Final answer
    x = 28,022.76

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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.