Home / 17,431.92-26,154.36-8,076.42

Finding the Fourth Proportional to 17,431.92, 26,154.36 and 8,076.42

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Solution

The fourth proportional to 17,431.92, 26,154.36 and 8,076.42 is: 12,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.92 : 26,154.36 = 8,076.42 : x
  2. Step 2: Convert to fraction form
    17,431.92/26,154.36 = 8,076.42/x
  3. Step 3: Cross multiply
    17,431.92x = 26,154.36 × 8,076.42
  4. Step 4: Simplify right side
    17,431.92x = 211,233,596.19
  5. Step 5: Solve for x
    x = 211,233,596.19/17,431.92
  6. Step 6: Final answer
    x = 12,117.63

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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.