Home / 20,625.48-28,463.94-11,673.36

Finding the Fourth Proportional to 20,625.48, 28,463.94 and 11,673.36

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Solution

The fourth proportional to 20,625.48, 28,463.94 and 11,673.36 is: 16,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.48 : 28,463.94 = 11,673.36 : x
  2. Step 2: Convert to fraction form
    20,625.48/28,463.94 = 11,673.36/x
  3. Step 3: Cross multiply
    20,625.48x = 28,463.94 × 11,673.36
  4. Step 4: Simplify right side
    20,625.48x = 332,269,818.64
  5. Step 5: Solve for x
    x = 332,269,818.64/20,625.48
  6. Step 6: Final answer
    x = 16,109.68

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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.