Home / 14,890.05-20,548.49-8,175.96

Finding the Fourth Proportional to 14,890.05, 20,548.49 and 8,175.96

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Solution

The fourth proportional to 14,890.05, 20,548.49 and 8,175.96 is: 11,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.05 : 20,548.49 = 8,175.96 : x
  2. Step 2: Convert to fraction form
    14,890.05/20,548.49 = 8,175.96/x
  3. Step 3: Cross multiply
    14,890.05x = 20,548.49 × 8,175.96
  4. Step 4: Simplify right side
    14,890.05x = 168,003,591.42
  5. Step 5: Solve for x
    x = 168,003,591.42/14,890.05
  6. Step 6: Final answer
    x = 11,282.94

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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.