Home / 14,774.88-20,388.51-8,487.27

Finding the Fourth Proportional to 14,774.88, 20,388.51 and 8,487.27

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Solution

The fourth proportional to 14,774.88, 20,388.51 and 8,487.27 is: 11,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.88 : 20,388.51 = 8,487.27 : x
  2. Step 2: Convert to fraction form
    14,774.88/20,388.51 = 8,487.27/x
  3. Step 3: Cross multiply
    14,774.88x = 20,388.51 × 8,487.27
  4. Step 4: Simplify right side
    14,774.88x = 173,042,789.27
  5. Step 5: Solve for x
    x = 173,042,789.27/14,774.88
  6. Step 6: Final answer
    x = 11,711.96

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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.