Home / 19,725.50-27,221.85-10,773.54

Finding the Fourth Proportional to 19,725.50, 27,221.85 and 10,773.54

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Solution

The fourth proportional to 19,725.50, 27,221.85 and 10,773.54 is: 14,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.50 : 27,221.85 = 10,773.54 : x
  2. Step 2: Convert to fraction form
    19,725.50/27,221.85 = 10,773.54/x
  3. Step 3: Cross multiply
    19,725.50x = 27,221.85 × 10,773.54
  4. Step 4: Simplify right side
    19,725.50x = 293,275,689.85
  5. Step 5: Solve for x
    x = 293,275,689.85/19,725.50
  6. Step 6: Final answer
    x = 14,867.84

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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.