Home / 14,505.62-20,014.17-8,536.82

Finding the Fourth Proportional to 14,505.62, 20,014.17 and 8,536.82

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Solution

The fourth proportional to 14,505.62, 20,014.17 and 8,536.82 is: 11,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.62 : 20,014.17 = 8,536.82 : x
  2. Step 2: Convert to fraction form
    14,505.62/20,014.17 = 8,536.82/x
  3. Step 3: Cross multiply
    14,505.62x = 20,014.17 × 8,536.82
  4. Step 4: Simplify right side
    14,505.62x = 170,857,366.74
  5. Step 5: Solve for x
    x = 170,857,366.74/14,505.62
  6. Step 6: Final answer
    x = 11,778.70

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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.