Home / 17,179.84-25,771.68-5,490.40

Finding the Fourth Proportional to 17,179.84, 25,771.68 and 5,490.40

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Solution

The fourth proportional to 17,179.84, 25,771.68 and 5,490.40 is: 8,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.84 : 25,771.68 = 5,490.40 : x
  2. Step 2: Convert to fraction form
    17,179.84/25,771.68 = 5,490.40/x
  3. Step 3: Cross multiply
    17,179.84x = 25,771.68 × 5,490.40
  4. Step 4: Simplify right side
    17,179.84x = 141,496,831.87
  5. Step 5: Solve for x
    x = 141,496,831.87/17,179.84
  6. Step 6: Final answer
    x = 8,236.21

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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.