Home / 19,173.92-26,468.17-12,889.94

Finding the Fourth Proportional to 19,173.92, 26,468.17 and 12,889.94

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Solution

The fourth proportional to 19,173.92, 26,468.17 and 12,889.94 is: 17,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.92 : 26,468.17 = 12,889.94 : x
  2. Step 2: Convert to fraction form
    19,173.92/26,468.17 = 12,889.94/x
  3. Step 3: Cross multiply
    19,173.92x = 26,468.17 × 12,889.94
  4. Step 4: Simplify right side
    19,173.92x = 341,172,958.64
  5. Step 5: Solve for x
    x = 341,172,958.64/19,173.92
  6. Step 6: Final answer
    x = 17,793.60

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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.