Home / 16,755.40-25,122.78-5,661.04

Finding the Fourth Proportional to 16,755.40, 25,122.78 and 5,661.04

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Solution

The fourth proportional to 16,755.40, 25,122.78 and 5,661.04 is: 8,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.40 : 25,122.78 = 5,661.04 : x
  2. Step 2: Convert to fraction form
    16,755.40/25,122.78 = 5,661.04/x
  3. Step 3: Cross multiply
    16,755.40x = 25,122.78 × 5,661.04
  4. Step 4: Simplify right side
    16,755.40x = 142,221,062.49
  5. Step 5: Solve for x
    x = 142,221,062.49/16,755.40
  6. Step 6: Final answer
    x = 8,488.07

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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.