Home / 12,703.20-19,043.28-5,773.92

Finding the Fourth Proportional to 12,703.20, 19,043.28 and 5,773.92

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Solution

The fourth proportional to 12,703.20, 19,043.28 and 5,773.92 is: 8,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.20 : 19,043.28 = 5,773.92 : x
  2. Step 2: Convert to fraction form
    12,703.20/19,043.28 = 5,773.92/x
  3. Step 3: Cross multiply
    12,703.20x = 19,043.28 × 5,773.92
  4. Step 4: Simplify right side
    12,703.20x = 109,954,375.26
  5. Step 5: Solve for x
    x = 109,954,375.26/12,703.20
  6. Step 6: Final answer
    x = 8,655.64

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.