Home / 20,625.56-28,463.69-11,673.05

Finding the Fourth Proportional to 20,625.56, 28,463.69 and 11,673.05

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Solution

The fourth proportional to 20,625.56, 28,463.69 and 11,673.05 is: 16,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.56 : 28,463.69 = 11,673.05 : x
  2. Step 2: Convert to fraction form
    20,625.56/28,463.69 = 11,673.05/x
  3. Step 3: Cross multiply
    20,625.56x = 28,463.69 × 11,673.05
  4. Step 4: Simplify right side
    20,625.56x = 332,257,875.87
  5. Step 5: Solve for x
    x = 332,257,875.87/20,625.56
  6. Step 6: Final answer
    x = 16,109.04

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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.